A080266 a(n) = A080301(A080263(n)).

0, 2, 28, 3995, 53032, 9218158, 1716408828, 68406706423034, 993609159645474, 211483814340246174, 45849905806140642231, 2254554272777258549734599, 509234594705250632023415288, 26692711238971831653512953923634

Offset

0,2

Links

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

Crossrefs

Cf. A080265.

Sequence in context: A152792 A085602 A058502 * A308757 A180423 A090497

Adjacent sequences: A080263 A080264 A080265 * A080267 A080268 A080269

Keyword

nonn

Author

Antti Karttunen, Mar 02 2003

Status

approved