A047013 T(n,n-1), array T given by A047010.

1, 1, 3, 12, 46, 172, 651, 2478, 9457, 36228, 139249, 536687, 2073540, 8028826, 31147792, 121045410, 471128566, 1836259944, 7165975248, 27997121205, 109497724812, 428659516902, 1679585156639, 6586339566777, 25847132064141

Offset

1,3

Links

Table of n, a(n) for n=1..25.

Crossrefs

Sequence in context: A188949 A184699 A008781 * A370478 A108368 A264514

Adjacent sequences: A047010 A047011 A047012 * A047014 A047015 A047016

Keyword

nonn

Author

Clark Kimberling

Status

approved