login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A030278 COMPOSE primes with primes. 1
4, 18, 86, 393, 1790, 7918, 34047, 142442, 582768, 2344913, 9330350, 36842164, 144611963, 564509442, 2191142528, 8453688007, 32411106626, 123493645782, 467831766283, 1763390759650, 6619106543024, 24762942068363, 92393401202050, 343951336690542 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

N. J. A. Sloane, Transforms

FORMULA

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

CROSSREFS

Cf. A000040.

Sequence in context: A247637 A055834 A079567 * A318217 A151252 A084847

Adjacent sequences:  A030275 A030276 A030277 * A030279 A030280 A030281

KEYWORD

nonn,changed

AUTHOR

Christian G. Bower

EXTENSIONS

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

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 18:03 EDT 2019. Contains 322430 sequences. (Running on oeis4.)