A080271 a(n) = A080301(A080268(n)).

0, 4, 39, 4157, 48951, 7810096, 1396038023, 53725275266610, 771558836472208, 162485296061436675, 34997250890683907797, 1707178675072552289362060, 384389569381056309586675602, 20058720841018817533793283102645

Offset

0,2

Links

Table of n, a(n) for n=0..13.

Crossrefs

Cf. A080270.

Sequence in context: A266859 A049475 A264084 * A275361 A274686 A217397

Adjacent sequences: A080268 A080269 A080270 * A080272 A080273 A080274

Keyword

nonn

Author

Antti Karttunen, Mar 02 2003

Status

approved