A089524 A089492 indexed by A000040.

117814, 303839, 588398, 641658, 667591, 718808, 755409, 940389, 1168122, 1198507, 1229482, 1229483, 1588488, 1698574, 1764688, 1840175, 1933195, 1936524, 2249818, 2849725, 2859255, 3307463, 3363452, 3414415, 3481752

Offset: 1

Author

Ray Chandler, Nov 07 2003

Keywords

• nonn

Examples

			p(62178)=776117, 2*776117 + 3 = 1552237 = p(117814);
p(62179)=776119, 2*776119 + 3 = 1552241 = p(117815);
p(62180)=776137, 2*776137 + 3 = 1552277 = p(117816);
p(62181)=776143, 2*776143 + 3 = 1552289 = p(117817).
		

Crossrefs

Subsequence of A089525.

Cf. A089007, A089009, A089492.

Formula

a(n) = k such that A089492(n) = A000040(k).

a(n) = A000720(A089492(n)). - Michel Marcus, Aug 06 2021

Extensions

Offset changed to 1 by Jinyuan Wang, Aug 06 2021