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A151901
Singular indices in A139074.
1
9, 13, 22, 23, 72, 73, 74, 82, 83, 84, 85, 88
OFFSET
1,1
COMMENTS
Definition: Singular indices in A139074 are numbers n such that it doesn't exist a prime p such that (n+p!)/n is prime or if this prime does exist then it is very big.
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Apr 12 2008
STATUS
approved