login
A026688
T(n,0) + T(n,1) + ... + T(n,n), T given by A026681.
0
1, 2, 5, 12, 26, 54, 120, 276, 606, 1288, 2852, 6484, 14256, 30542, 67568, 152806, 336154, 723272, 1599350, 3605454, 7934180, 17118882, 37843218, 85124418, 187367718, 405074498, 895273414, 2010559668, 4426193834
OFFSET
0,2
CROSSREFS
Sequence in context: A297618 A360785 A198896 * A116726 A228078 A125180
KEYWORD
nonn
STATUS
approved