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.

A052338 a(n) = A050443(n-th prime)/(n-th prime).

Original entry on oeis.org

0, 1, 0, 1, 1, 1, 2, 2, 4, 11, 16, 43, 87, 123, 250, 736, 2189, 3152, 9501, 19909, 28861, 88250, 186540, 575703, 2605063, 5556059, 8118935, 17356074, 25389718, 54388168, 789812633, 1700415401, 5380882786, 7903301746, 54185536387, 79678647536, 253610377475
Offset: 1

Views

Author

Christian G. Bower, Dec 23 1999

Keywords

Crossrefs

Programs

  • PARI
    a(n) = my(p = prime(n)); polcoef((4-x^3)/(1-x^3-x^4) + O(x^(p+1)), p)/p; \\ Michel Marcus, Mar 04 2019

Extensions

Corrected by Seiichi Manyama, Mar 04 2019