A128856 Index of first appearance of n in A062347.

0, 1, 71, 21, 45, 12, 64, 6, 5, 280, 11, 121, 638185, 62, 8, 76, 9, 7, 10

Offset: 1

Author

Zak Seidov, Apr 16 2007, revised Apr 17 2007

Keywords

• nonn

Comments

a(20) > pi(10^7)=664579

Formula

a(n) = smallest m such that A062347(m)=n.

Extensions

More terms from Max Alekseyev, Apr 20 2007