A030278 COMPOSE primes with primes.
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
Keywords
Links
- N. J. A. Sloane, Transforms
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