The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A195573

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A195573

Hypotenuses of primitive Pythagorean triples in A195571 and A195572.
(history; published version)

#9 by N. J. A. Sloane at Fri Jun 05 03:20:21 EDT 2015

STATUS

reviewed

approved

#8 by Michel Marcus at Thu Jun 04 14:42:34 EDT 2015

STATUS

proposed

reviewed

#7 by Colin Barker at Thu Jun 04 14:03:45 EDT 2015

STATUS

editing

proposed

#6 by Colin Barker at Thu Jun 04 14:03:41 EDT 2015

FORMULA

Empirical g.f.: -x*(x^5+x^4+x^3-61*x^2-41*x-1) / (x^6-102*x^3+1). - Colin Barker, Jun 04 2015

STATUS

approved

editing

#5 by Russ Cox at Fri Mar 30 18:57:48 EDT 2012

AUTHOR

_Clark Kimberling (ck6(AT)evansville.edu), _, Sep 21 2011

Discussion

Fri Mar 30

18:57

OEIS Server: https://oeis.org/edit/global/285

#4 by T. D. Noe at Wed Sep 21 16:41:40 EDT 2011

STATUS

proposed

approved

#3 by Clark Kimberling at Wed Sep 21 16:20:39 EDT 2011

STATUS

editing

proposed

#2 by Clark Kimberling at Wed Sep 21 15:54:54 EDT 2011

NAME

allocated for Clark KimberlingHypotenuses of primitive Pythagorean triples in A195571 and A195572.

DATA

1, 41, 61, 101, 4181, 6221, 10301, 426421, 634481, 1050601, 43490761, 64710841, 107151001, 4435631201, 6599871301, 10928351501, 452390891741, 673122161861, 1114584702101, 46139435326381, 68651860638521, 113676711262801

OFFSET

1,2

COMMENTS

See A195500 for discussion and list of related sequences; see A195571 for Mathematica program.

CROSSREFS

Cf. A195500, A195571, A195572.

KEYWORD

allocated

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Sep 21 2011

STATUS

approved

editing

#1 by Clark Kimberling at Tue Sep 20 09:57:38 EDT 2011

NAME

allocated for Clark Kimberling

KEYWORD

allocated

STATUS

approved