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A054094
T(n,n-2), array T as in A054090.
0
1, 4, 6, 26, 104, 548, 3366, 24034, 195168, 1777652, 17950550, 199059674, 2405063016, 31448531956, 442501797654, 6666753146498, 107081325959936, 1826636018849444
OFFSET
2,2
CROSSREFS
Sequence in context: A371869 A159557 A176756 * A123873 A193689 A099941
KEYWORD
nonn
STATUS
approved