[go: up one dir, main page]

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”).

A047097
T(n,n+3), array T as in A047089.
0
1, 4, 16, 60, 228, 860, 3267, 12426, 47471, 181812, 698512, 2690086, 10384712, 40170182, 155681112, 604362074, 2349783665, 9148780570, 35665860725, 139202880860, 543887439194, 2127148912456, 8326877989146, 32623644335536
OFFSET
0,2
CROSSREFS
Sequence in context: A081161 A032106 A269462 * A051043 A123620 A234008
KEYWORD
nonn
STATUS
approved