A113959 Where n appears in A093903.

1, 7, 2, 5

Offset: 1

Author

Klaus Brockhaus, Nov 10 2005

Keywords

• nonn
• more

Comments

a(n) is the index k such that A093903(k) = n.

5 and 7 do not appear up to position 100000, 6 appears at position 3 and 8 to 21 appear resp. at 673, 10, 25493, 4, 21, 50, 121, 6, 19, 48, 17, 8, 119, 10132.

Examples

			A093903(7) = 2, so a(2) = 7.
		

Crossrefs

Cf. A093903.