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.

A030278 COMPOSE primes with primes.

Original entry on oeis.org

4, 18, 86, 393, 1790, 7918, 34047, 142442, 582768, 2344913, 9330350, 36842164, 144611963, 564509442, 2191142528, 8453688007, 32411106626, 123493645782, 467831766283, 1763390759650, 6619106543024, 24762942068363, 92393401202050, 343951336690542
Offset: 1

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Keywords

Crossrefs

Cf. A000040.

Formula

G.f.: Sum_{j>=1} prime(j)*(Sum_{k>=1} prime(k)*x^k)^j. - Ilya Gutkovskiy, Apr 21 2019

Extensions

Corrected and extended by N. J. A. Sloane, Oct 29 2006