cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A258364 Sum over all partitions lambda of n into 9 distinct parts of Product_{i:lambda} prime(i).

Original entry on oeis.org

223092870, 281291010, 641200560, 1103452350, 2195564910, 3564916950, 6783216270, 11130902406, 20071816324, 33727230365, 53845325737, 85802963866, 137813486551, 211362471237, 328671594863, 499826194085, 762249961621, 1134280917570, 1705626051462, 2476880995049
Offset: 45

Views

Author

Alois P. Heinz, May 27 2015

Keywords

Crossrefs

Column k=9 of A258323.
Cf. A000040.

Programs

  • Maple
    g:= proc(n, i) option remember; convert(series(`if`(n=0, 1,
          `if`(i<1, 0, add(g(n-i*j, i-1)*(ithprime(i)*x)^j
          , j=0..min(1, n/i)))), x, 10), polynom)
        end:
    a:= n-> coeff(g(n$2), x, 9):
    seq(a(n), n=45..70);