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A140978 Repeat (n+1)^2 n times. +0
4
4, 9, 9, 16, 16, 16, 25, 25, 25, 25, 36, 36, 36, 36, 36, 49, 49, 49, 49, 49, 49, 64, 64, 64, 64, 64, 64, 64, 81, 81, 81, 81, 81, 81, 81, 81, 100, 100, 100, 100, 100, 100, 100, 100, 100, 121, 121, 121, 121, 121, 121, 121, 121, 121, 121 (list; graph; listen)
OFFSET

1,1

COMMENT

Bernard de Frenicle (de Bessy) (1605?-1675), Methode pour trouver .. p.11 in Divers ouvrages de mathematique et physique par Messieurs de l'Academie Royale des Sciences, In-folio, (4)+6+519 pages, Paris, 1693. See A093995.

FORMULA

a(n)=(A003057(n+1))^2. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Aug 25 2008

CROSSREFS

Sequence in context: A011512 A157300 A100555 this_sequence A106410 A065737 A014719

Adjacent sequences: A140975 A140976 A140977 this_sequence A140979 A140980 A140981

KEYWORD

nonn

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Aug 17 2008

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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