Primes p=A000040(n) with prime index n such that the concatenation n//p is a composite number.
5, 11, 17, 31, 41, 67, 109, 127, 157, 191, 211, 241, 277, 331, 367, 401, 461, 509, 547
5 seqfan posts
Fri Oct 9 16:14:16 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 02:38:44 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 02:23:12 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 02:14:37 CEST 2009 [seqfan] Re: Edit of A155030
Fri Oct 9 01:56:38 CEST 2009 [seqfan] Edit of A155030
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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