A025576 a(n) = T(n,[ n/2 ]+1), where T is the array defined in A025564.

1, 4, 10, 22, 61, 120, 356, 665, 2058, 3732, 11892, 21153, 68860, 120835, 399828, 694590, 2328066, 4013088, 13591364, 23284424, 79538750, 135580865, 466489520, 791862354, 2741310614, 4637009300, 16137748980, 27215510265, 95152639095, 160053426720

Offset

1,2

Links

Table of n, a(n) for n=1..30.

Crossrefs

Sequence in context: A155343 A155341 A189589 * A189596 A241430 A023378

Adjacent sequences: A025573 A025574 A025575 * A025577 A025578 A025579

Keyword

nonn

Author

Clark Kimberling

Status

approved