The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A265603

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A265603

Triangle read by rows, the denominators of the Bell transform of B(2n,1) where B(n,x) are the Bernoulli polynomials.
(history; published version)

#19 by Bruno Berselli at Wed Jun 27 02:47:16 EDT 2018

STATUS

proposed

approved

#18 by Jean-François Alcover at Wed Jun 27 02:00:14 EDT 2018

STATUS

editing

proposed

#17 by Jean-François Alcover at Wed Jun 27 02:00:03 EDT 2018

MATHEMATICA

BellMatrix[f_, len_] := With[{t = Array[f, len, 0]}, Table[BellY[n, k, t], {n, 0, len - 1}, {k, 0, len - 1}]];

rows = 12;

B = BellMatrix[BernoulliB[2#, 1]&, rows];

Table[B[[n, k]] // Denominator, {n, 1, rows}, {k, 1, n}] // Flatten (* Jean-François Alcover, Jun 27 2018, from Maple *)

STATUS

approved

editing

#16 by Peter Luschny at Mon Jan 25 07:03:41 EST 2016

STATUS

editing

approved

#15 by Peter Luschny at Mon Jan 25 07:03:38 EST 2016

CROSSREFS

Cf. A265603 A265602 for the numerators, A265314 and A265315 for B(n,1).

STATUS

approved

editing

#14 by Peter Luschny at Fri Jan 22 05:38:36 EST 2016

STATUS

proposed

approved

#13 by Peter Luschny at Fri Jan 22 04:30:30 EST 2016

STATUS

editing

proposed

#12 by Peter Luschny at Fri Jan 22 04:30:26 EST 2016

KEYWORD

nonn,tabl,frac,changed

STATUS

proposed

editing

#11 by Joerg Arndt at Fri Jan 22 04:24:57 EST 2016

STATUS

editing

proposed

Discussion

Fri Jan 22

04:28

Michel Marcus: keyword frac ?

#10 by Joerg Arndt at Fri Jan 22 04:24:52 EST 2016

CROSSREFS

Cf. A265603 for the numerators, A265314 and A265315 for for B(n,1).

STATUS

proposed

editing