The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A304530 Positions of odd terms in A304531. 2
 1, 4, 8, 11, 14, 18, 25, 28, 32, 35, 39, 42, 45, 49, 52, 55, 59, 66, 69, 73, 76, 80, 91, 94, 115, 118, 122, 125, 128, 132, 139, 142, 146, 149, 152, 156, 160, 163, 167, 170, 173, 177, 196, 199, 203, 206, 209, 213, 220, 223, 227, 230, 234, 237, 240, 244, 247, 250, 254, 261, 264, 268, 271, 275, 278, 281, 285, 288, 291, 295, 309, 312, 316, 319, 322, 326, 338 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS After A304531(2) = 2, the positions of other primes in A304531 are: 4, 11, 42, 237, 1798, 7192, 69611, 431203, 2401568, ... LINKS Antti Karttunen, Table of n, a(n) for n = 1..50000 PROG (PARI) for(n=1, oo, if(A304531(n)%2, print1(n, ", "))) CROSSREFS Cf. A304531. Differs from A303750 for the first time at n=18, where a(18) = 66, while A303750(18) = 71. Sequence in context: A311038 A311039 A311040 * A303750 A160592 A311041 Adjacent sequences: A304527 A304528 A304529 * A304531 A304532 A304533 KEYWORD nonn AUTHOR Antti Karttunen, May 14 2018 STATUS approved

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

Last modified November 29 16:20 EST 2022. Contains 358431 sequences. (Running on oeis4.)