A188586 a(n) is the smallest m for which A188550(m)=n, or a(n)=0 if no such m exists.

4, 6, 10, 14, 34, 26, 107, 50, 74, 98, 317, 122, 5443, 386, 290, 242, 1577, 362, 2837, 482, 1154, 6146, 3467, 722, 2594, 11027, 1802, 1922, 14177, 1442, 10397, 1682, 18434, 358406, 10370, 2522, 445541, 288293, 31187, 3362, 127577, 5762, 145603, 30722, 7202

Offset

1,1

Comments

Question: For which primes p exist terms in the sequence of the form 2*p^2? The sequence of these primes starts with 5, 7, 11, 19, 31, 29, 41, ...

Links

Table of n, a(n) for n=1..45.

Crossrefs

Cf. A188550, A188579.

Sequence in context: A241160 A061645 A188592 * A084372 A353543 A140611

Adjacent sequences: A188583 A188584 A188585 * A188587 A188588 A188589

Keyword

nonn

Author

Vladimir Shevelev, Apr 04 2011

Extensions

More terms from Alois P. Heinz, Apr 04 2011

Status

approved