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A285219
Indices of primes in A003105.
2
5, 6, 7, 8, 9, 11, 13, 22, 28, 29, 31, 38, 47, 53, 56, 59, 63, 64, 76, 85, 88, 91, 110, 111, 124, 135, 165, 202, 210, 214, 234, 243, 256, 262, 280, 322, 335, 346, 438, 443, 458, 463, 508, 580, 590, 696, 790, 865, 903, 951, 993, 996, 1004, 1163, 1338, 1396
OFFSET
1,1
LINKS
EXAMPLE
28 is in the sequence because A003105(28) = 47 is prime.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Apr 14 2017
STATUS
approved