A285218 Indices of primes in A001156.

4, 5, 6, 7, 8, 12, 21, 25, 28, 32, 34, 36, 44, 51, 58, 68, 71, 73, 76, 84, 85, 105, 117, 131, 132, 148, 150, 160, 162, 163, 170, 172, 188, 190, 216, 226, 233, 249, 252, 253, 264, 273, 284, 307, 338, 356, 358, 372, 378, 383, 390, 424, 435, 449, 456, 468, 479

Offset: 1

Author

Vaclav Kotesovec, Apr 14 2017

Keywords

• nonn

Examples

			51 is in the sequence because A001156(51) = 107 is prime.
		

Links

• Vaclav Kotesovec, Table of n, a(n) for n = 1..2119

Crossrefs

Cf. A001156, A046063.