A353719 Index of prime(n) in A353709, or -1 if prime(n) does not appear in A353709.
2, 5, 13, 53, 56, 34, 9, 69, 86, 185, 245, 50, 102, 105, 549, 83, 692, 1209, 114, 329, 99, 1007, 189, 235, 47, 319, 542, 740, 724, 232, 5257, 59, 159, 373, 480, 1100, 1371, 476, 1141, 1138, 1044, 498, 18890, 156, 363, 867, 929, 7890, 1041, 925, 564, 12929, 682
Offset: 1
Examples
A353709 has offset 0 and begins 0, 1, 2, 4, 8, 3, 16, 12, 32, 17, 6, 40, 64, 5, 10, ..., so a(1) = 2 (from A353709(2) = 2), and a(7) = 9 (from A353709(9) = 17 = prime(7)).
Links
- Rémy Sigrist, Table of n, a(n) for n = 1..8192
- Rémy Sigrist, C++ program
Extensions
More terms from Rémy Sigrist, May 09 2022
Comments