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A047029
T(2n,n), array T given by A047020.
0
1, 1, 3, 19, 99, 624, 3684, 23379, 144877, 927084, 5882776, 37925111, 243908212, 1582102118, 10261788552, 66893579077, 436419943039, 2856304168480, 18714325924703, 122881818022921, 807744978199879, 5318012331907328
OFFSET
1,3
CROSSREFS
Sequence in context: A294392 A358284 A198763 * A095120 A304625 A373804
KEYWORD
nonn
STATUS
approved