A118971 - OEIS

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A118971

4*binomial(5n+3,n)/(4n+4).

1, 4, 26, 204, 1771, 16380, 158224, 1577532, 16112057, 167710664, 1772645420, 18974357220, 205263418941, 2240623268512, 24648785802336, 272994644359580, 3041495503591365, 34064252968167180, 383302465665133014 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`A quadrisection of A118968.`
	FORMULA	`G.f.: If the inverse series of y*(1-y)^4 is G(x) then A(x)=G(x)/x.`
	CROSSREFS	`Cf. A006632, A130564 (members of the same family).` `Sequence in context: A198024 A192499 A141381 * A124554 A206391 A164101` `Adjacent sequences: A118968 A118969 A118970 * A118972 A118973 A118974`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), May 07 2006`

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Last modified February 15 09:26 EST 2012. Contains 205753 sequences.