The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A141217 a(n) = prime(prime(prime(prime(n) - 1) - 1) - 1) - 1, where prime(n) is the n-th prime. 1
 1, 2, 36, 150, 576, 862, 1492, 1810, 2712, 4210, 4512, 6688, 8110, 8572, 9828, 12496, 14778, 15496, 18222, 20856, 21490, 24420, 26416, 29670, 33460, 36832, 38046, 40086, 41452, 43206, 51576, 54366, 57726, 59628, 66552, 67138, 71740, 76386 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS MAPLE p:=ithprime: seq(p(p(p(p(n)-1)-1)-1)-1, n=1..40); # Emeric Deutsch, Aug 16 2008 MATHEMATICA Table[Prime[Prime[Prime[Prime[n - 1] - 1] - 1] - 1] - 1, {n, 2, 50}] (* Vincenzo Librandi, Apr 05 2015 *) CROSSREFS Cf. A141208, A140853, A006093. Sequence in context: A199944 A227927 A007757 * A206688 A226419 A025531 Adjacent sequences:  A141214 A141215 A141216 * A141218 A141219 A141220 KEYWORD nonn AUTHOR Juri-Stepan Gerasimov, Jul 31 2008 EXTENSIONS Corrected and extended by Emeric Deutsch, Aug 16 2008 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.

Last modified September 28 11:24 EDT 2020. Contains 337393 sequences. (Running on oeis4.)