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

1,1

Links

Vaclav Kotesovec, Table of n, a(n) for n = 1..257

Example

30 is in the sequence because A006128(30) = 54563 is prime.

Crossrefs

Cf. A006128, A046063.

Sequence in context: A098827 A280380 A184238 * A078208 A105403 A134644

Adjacent sequences: A285217 A285218 A285219 * A285221 A285222 A285223

Keyword

nonn

Author

Vaclav Kotesovec, Apr 14 2017

Status

approved