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”).

A026710
T(n,0) + T(n,1) + ... + T(n,n), T given by A026703.
0
1, 2, 5, 12, 27, 64, 141, 330, 721, 1674, 3641, 8410, 18241, 41986, 90897, 208708, 451255, 1034292, 2234205, 5114220, 11039871, 25246376, 54470817, 124474648, 268460375, 613133340, 1321990349, 3017984992, 6505697947
OFFSET
0,2
CROSSREFS
Sequence in context: A128096 A018010 A303022 * A291248 A316706 A171579
KEYWORD
nonn
STATUS
approved