login
A047049
T(2n,n), array T as in A047040.
0
1, 1, 5, 23, 136, 833, 4989, 31065, 196531, 1241950, 7930155, 51007263, 328816452, 2128751494, 13833853223, 90098821854, 588220949445, 3848961945992, 25228405247702, 165629360478917, 1089033236371988, 7169737539803302
OFFSET
0,3
CROSSREFS
Sequence in context: A356010 A244786 A129098 * A351817 A352146 A020034
KEYWORD
nonn
STATUS
approved