A277318 Prime-factorization representation of irreducible (non-constant) Stern-polynomials B(n,x), listed in the order of increasing index n: a(n) = A260443(A186891(n+1)).

3, 6, 18, 30, 270, 450, 630, 6750, 9450, 15750, 22050, 2310, 3543750, 4961250, 53156250, 727650, 173643750, 18191250, 25467750, 2668050, 90090, 40020750, 891371250, 9550406250, 212713593750, 1400726250, 3190703906250, 467969906250, 5013963281250, 104053950, 173423250, 16378946718750, 1715889656250, 245684200781250

Offset

1,1

Links

Table of n, a(n) for n=1..34.

Crossrefs

Cf. A186891, A260443.

All terms are included in A206284 and in A277200 (apart from initial 3).

Cf. A277316 (conjectured subsequence), from which this differs for the first time at n=10, where a(10) = 15750 , while A277316(10) = 22050.

Sequence in context: A117863 A103100 A277317 * A277316 A101726 A034457

Adjacent sequences: A277315 A277316 A277317 * A277319 A277320 A277321

Keyword

nonn

Author

Antti Karttunen, Oct 11 2016

Status

approved