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A027260 a(n) = Sum_{k=0..2n-3} T(n,k) * T(n,k+3), with T given by A025177. 0
24, 232, 2136, 19282, 172316, 1531362, 13566288, 119972214, 1059985776, 9361450868, 82670528056, 730149455646, 6450340708168, 57003101680376, 503941824270112, 4456975487538614, 39435161261004840, 349069538338480040, 3091176867811031656, 27385210981926235494 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
CROSSREFS
Sequence in context: A022684 A297752 A027275 * A125387 A126545 A193168
KEYWORD
nonn
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Oct 26 2019
STATUS
approved

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)