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A298670
Numbers k such that A298669(k)*2^k + 1 is a prime factor of the Fermat number 2^(2^(k-2)) + 1.
1
4, 5, 6, 7, 8, 11, 12, 13, 14, 17, 18, 20, 21, 23, 25, 27, 28, 29, 31, 32
OFFSET
1,1
CROSSREFS
Cf. A298669.
Sequence in context: A334917 A295742 A047314 * A039040 A129740 A161428
KEYWORD
nonn,more
AUTHOR
STATUS
approved