login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A047008
T(n,n+3), array T given by A047000.
0
1, 4, 14, 50, 180, 658, 2429, 9052, 33975, 128320, 487124, 1857362, 7108400, 27293280, 105090130, 405643176, 1569193041, 6082113750, 23615073305, 91834287660, 357631419474, 1394521107804, 5444070076494, 21275915138100
OFFSET
0,2
CROSSREFS
Sequence in context: A153367 A211304 A047065 * A055990 A211308 A087945
KEYWORD
nonn
STATUS
approved