id:A100937 - OEIS Search Results

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Main diagonal of symmetric square array A100936.

+0
3

1, 3, 14, 76, 435, 2577, 15678, 97272, 612126, 3891890, 24933292, 160663328, 1040074684, 6759228932, 44075916696, 288289595968, 1890894150707, 12434303045721, 81960791460442, 541428229233012, 3583843659376257 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = Sum_{k=0..n} C(n, k)^2*A051162(k).`
	EXAMPLE	`a(3) = 76 = 11 + 3^22 + 3^25 + 112 = Sum_{k=0..3} C(3,k)^2A051163(k).` `a(4) = 435 = 11 + 4^22 + 6^25 + 4^212 + 130 = Sum_{k=0..4} C(4,k)^2*A051163(k).`
	PROGRAM	`(PARI)`
	CROSSREFS	`Cf. A051163, A100936.` `Sequence in context: A026004 A063016 A133798 this_sequence A048779 A052186 A074538` `Adjacent sequences: A100934 A100935 A100936 this_sequence A100938 A100939 A100940`
	KEYWORD	`nonn`
	AUTHOR	`Paul D. Hanna (pauldhanna(AT)juno.com), Nov 23 2004`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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