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A026979
a(n) = Sum_{k=0..n-3} T(n,k) * T(n,k+3), with T given by A026659.
0
1, 10, 75, 372, 2082, 9382, 49135, 205900, 1089140, 4503138, 22149416, 89553324, 466147593, 1880356006, 9068681952, 36243551268, 187297716687, 748569870492, 3582758601866, 14255818294268, 73363346762009, 292082311170392, 1393518662519246, 5535446394791612, 28405732479662661
OFFSET
3,2
CROSSREFS
Sequence in context: A233455 A027778 A026969 * A274251 A073379 A283238
KEYWORD
nonn
EXTENSIONS
More terms from Sean A. Irvine, Oct 20 2019
STATUS
approved