A344247 Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(3^(k-1)).

1, 3, 9, 33, 81, 270, 729, 2278, 6606, 19926, 59049, 178173, 531441, 1596510, 4783698, 14356023, 43046721, 129162168, 387420489, 1162323189, 3486790962, 10460530350, 31381059609, 94143738789, 282429539802, 847290203766, 2541865887543, 7625602292013, 22876792454961, 68630391912807

Offset

1,2

Links

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

Crossrefs

Cf. A001055, A050367, A329800, A344248, A344249, A344250, A344251, A344252, A344253.

Sequence in context: A058138 A327808 A284964 * A333770 A281973 A219557

Adjacent sequences: A344244 A344245 A344246 * A344248 A344249 A344250

Keyword

nonn

Author

Ilya Gutkovskiy, May 12 2021

Status

approved