id:A115189 - OEIS Search Results

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Third diagonal (M=3) of triangle A115154 (called Y(3,1)).

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1, 40, 466, 4870, 50053, 516256, 5371210, 56422444, 598180570, 6395471992, 68897550064, 747270112390, 8154207352045, 89462667739360, 986322436120690, 10922076949690180, 121428345789834430, 1354895520307913680 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)= A115154(n+2,n+1), n>=0.` `Recurrence: a(n)= b(n) - 6b(n-1), with b(n):=A064063(n+3), n>=0.` `G.f.: ((-3+9x +2x^2) + 3(1-6x)c(3x))/((2+x)x^2), with the o.g.f. c(x) of A000108 (Catalan).`
	EXAMPLE	`466 = a(2) = A064063(5) - 6A064063(4) = 1606 - 6190.`
	CROSSREFS	`Adjacent sequences: A115186 A115187 A115188 this_sequence A115190 A115191 A115192` `Sequence in context: A008355 A007772 A055750 this_sequence A140045 A069079 A093744`
	KEYWORD	`nonn,easy`
	AUTHOR	`Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Feb 23 2006`

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

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