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 A064899 Numbers that are of the form pq where p and q are distinct primes that are the orders of non-Abelian groups. 18
 6, 10, 14, 21, 22, 26, 34, 38, 39, 46, 55, 57, 58, 62, 74, 82, 86, 93, 94, 106, 111, 118, 122, 129, 134, 142, 146, 155, 158, 166, 178, 183, 194, 201, 202, 203, 205, 206, 214, 218, 219, 226, 237, 253, 254, 262, 274, 278, 291, 298, 301, 302, 305, 309, 314, 326 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 Index entries for sequences related to groups PROG (PARI) is(n)=my(f=factor(n)); f[, 2]==[1, 1]~ && f[2, 1]%f[1, 1]==1 \\ Charles R Greathouse IV, Oct 22 2015 (PARI) list(lim)=my(v=List()); forprime(q=3, lim\2, forprime(p=2, min(lim\q, q-1), if(q%p==1, listput(v, p*q)))); Set(v) \\ Charles R Greathouse IV, Oct 22 2015 CROSSREFS This is the intersection of sequences A060652 and A006881. Cf. A001358, A064900-A064911. Sequence in context: A060650 A350586 A068198 * A339005 A271550 A315224 Adjacent sequences: A064896 A064897 A064898 * A064900 A064901 A064902 KEYWORD nonn AUTHOR Patrick De Geest, Oct 13 2001 EXTENSIONS Definition corrected by Franklin T. Adams-Watters, Oct 09 2006 STATUS approved

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Last modified September 22 08:19 EDT 2023. Contains 365519 sequences. (Running on oeis4.)