A047003 T(n,n-1), array T given by A047000.

1, 2, 2, 7, 30, 113, 442, 1692, 6542, 25213, 97548, 377617, 1465010, 5690787, 22140830, 86250091, 336416094, 1313641661, 5134950280, 20091508863, 78682553016, 308392187964, 1209658474836, 4748241492783, 18650595931506

Offset

1,2

Links

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

Crossrefs

Sequence in context: A292016 A350020 A359582 * A067352 A240978 A242032

Adjacent sequences: A047000 A047001 A047002 * A047004 A047005 A047006

Keyword

nonn

Author

Clark Kimberling

Status

approved