A304530 Positions of odd terms in A304531.

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

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