A024732 a(n) = s(n+3)/6, where s is A024731.

1, 1, 1, 7, 13, 19, 61, 145, 301, 745, 1729, 4447, 10585, 25327, 62569, 156049, 382513, 928369, 2288329, 5862367, 14587717, 35951587, 90006229, 231398497, 580975885, 1450005841, 3655134145, 9449479159, 23897176753, 60127243687, 152755139617

Offset

1,4

Links

Table of n, a(n) for n=1..31.

Crossrefs

Sequence in context: A165724 A144232 A154756 * A024954 A373544 A070850

Adjacent sequences: A024729 A024730 A024731 * A024733 A024734 A024735

Keyword

nonn

Author

Clark Kimberling

Status

approved