A285220 Indices of primes in A006128.
2, 30, 49, 54, 56, 85, 91, 104, 135, 175, 195, 203, 266, 303, 343, 409, 421, 427, 445, 448, 523, 538, 607, 622, 780, 1006, 1109, 1186, 1338, 1341, 1453, 1591, 1629, 1707, 1826, 1852, 1884, 1949, 2033, 2039, 2056, 2154, 2408, 2444, 2495, 2559, 3134, 3227, 3240
Offset: 1
Keywords
Examples
30 is in the sequence because A006128(30) = 54563 is prime.
Links
- Vaclav Kotesovec, Table of n, a(n) for n = 1..257