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Revision History for A240178

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Number of partitions of n such that (least part) < (multiplicity of greatest part).
(history; published version)
#6 by N. J. A. Sloane at Sat Apr 12 16:21:10 EDT 2014
STATUS

proposed

approved

#5 by Clark Kimberling at Sat Apr 12 08:47:48 EDT 2014
STATUS

editing

proposed

#4 by Clark Kimberling at Fri Apr 11 10:44:09 EDT 2014
COMMENTS

For n >=1, a(n) is also the number of partitions of n such that (least part) > (multiplicity of greatest part), as well as the number of partitions p of n such that min(p) < min(c(p)), where c = conjugate.

STATUS

proposed

editing

#3 by Clark Kimberling at Sun Apr 06 09:33:05 EDT 2014
STATUS

editing

proposed

#2 by Clark Kimberling at Wed Apr 02 16:58:03 EDT 2014
NAME

allocated for Clark KimberlingNumber of partitions of n such that (least part) < (multiplicity of greatest part).

DATA

0, 0, 1, 1, 1, 2, 3, 4, 5, 7, 9, 13, 16, 22, 27, 36, 44, 59, 71, 93, 114, 144, 176, 223, 268, 336, 407, 502, 605, 744, 891, 1088, 1301, 1574, 1879, 2265, 2687, 3224, 3822, 4557, 5384, 6399, 7535, 8921, 10481, 12354, 14481, 17022, 19888, 23307, 27178, 31745

OFFSET

0,6

COMMENTS

For n >=1, a(n) is also the number of partitions of n such that (least part) > (multiplicity of greatest part).

FORMULA

a(n) = A240179(n) - A240180(n), for n >= 0.

EXAMPLE

a(6) counts these 3 partitions: 222, 2211, 111111.

MATHEMATICA

z = 60; f[n_] := f[n] = IntegerPartitions[n]; Table[Count[f[n], p_ /; Min[p] < Count[p, Max[p]]], {n, 0, z}] (* A240178 *)

Table[Count[f[n], p_ /; Min[p] <= Count[p, Max[p]]], {n, 0, z}] (* A240179 *)

Table[Count[f[n], p_ /; Min[p] == Count[p, Max[p]]], {n, 0, z}] (* A240180 *)

Table[Count[f[n], p_ /; Min[p] > Count[p, Max[p]]], {n, 0, z}] (* A240178, n>0 *)

Table[Count[f[n], p_ /; Min[p] >= Count[p, Max[p]]], {n, 0, z}] (* A240179, n>0 *)

CROSSREFS
KEYWORD

allocated

nonn,easy

AUTHOR

Clark Kimberling, Apr 02 2014

STATUS

approved

editing

#1 by Clark Kimberling at Wed Apr 02 11:40:08 EDT 2014
NAME

allocated for Clark Kimberling

KEYWORD

allocated

STATUS

approved