A080503 a(n) = A080502(n)/n.

1, 5, 34, 253, 2024, 16867, 144575, 1265032, 11235584, 101120256, 919272960, 842666880, 7777077120, 72150143040, 67340133504, 63131375160, 594177648565, 5611677792003, 5316326329266, 50505100128027, 481000953600240, 4590955455709320, 43913486967654380

Offset

1,2

Links

Table of n, a(n) for n=1..23.

Crossrefs

Cf. A080501, A080502.

Sequence in context: A066559 A073279 A388129 * A078284 A083987 A002776

Adjacent sequences: A080500 A080501 A080502 * A080504 A080505 A080506

Keyword

base,nonn

Author

Amarnath Murthy, Mar 19 2003

Extensions

More terms from Sean A. Irvine, Sep 21 2025

Status

approved