A093416 Index of first occurrence of prime(n) in A034694.

1, 2, 4, 3, 5, 12, 8, 9, 11, 7, 15, 36, 20, 21, 23, 13, 29, 60, 33, 35, 24, 39, 41, 44, 32, 25, 17, 53, 27, 56, 63, 65, 68, 69, 37, 75, 156, 81, 83, 43, 89, 45, 19, 64, 49, 99, 105, 111, 113, 57, 116, 119, 80, 125, 128, 131, 67, 135, 92, 140, 47, 73, 153, 31, 104, 79, 55, 84

Offset: 1

Author

Klaus Brockhaus, Feb 13 2006

Keywords

• nonn

Comments

a(n) = smallest k such that A034694(k) = prime(n).

Examples

			A034694(7) = 29 = prime(10) and A034694(k) <> 29 for k < 7, hence a(10) = 7.
A034694(8) = 17 = prime(7) and A034694(k) <> 17 for k < 8, hence a(7) = 8.
		

Crossrefs

Cf. A034694.