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 A195943 Zeroless prime powers: Intersection of A000961 and A052382. 23
 1, 2, 3, 4, 5, 7, 8, 9, 11, 13, 16, 17, 19, 23, 25, 27, 29, 31, 32, 37, 41, 43, 47, 49, 53, 59, 61, 64, 67, 71, 73, 79, 81, 83, 89, 97, 113, 121, 125, 127, 128, 131, 137, 139, 149, 151, 157, 163, 167, 169, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 243, 251, 256, 257, 263, 269, 271, 277, 281, 283, 289, 293, 311 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS In contrast to A195942, we also allow for primes (p^n with n=1) in this sequence. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 C. Rivera, Puzzle 607. A zeroless Prime power, on primepuzzles.net, Sept. 24, 2011. FORMULA A195943 = A000961 intersect A052382 = A000961 \ A011540. A010055(a(n)) * A168046(a(n)) = 1. - Reinhard Zumkeller, Sep 27 2011 PROG (PARI) for( n=1, 9999, is_A000961(n) && is_A052382(n) && print1(n", ")) (Haskell) a195943 n = a195943_list !! (n-1) a195943_list = filter ((== 1) . a010055) a052382_list -- Reinhard Zumkeller, Sep 27 2011 CROSSREFS Cf. A195942, A195944, A195945, A195946, A195908, A195948, A007377, A008839, A030700, A030701, A030702, A030703, A030704, A030705, A030706. Cf. A038618 (subsequence). Sequence in context: A246655 A000961 A128603 * A096165 A164336 A115919 Adjacent sequences:  A195940 A195941 A195942 * A195944 A195945 A195946 KEYWORD nonn,base AUTHOR M. F. Hasler, Sep 25 2011 STATUS approved

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Last modified April 10 15:47 EDT 2021. Contains 342845 sequences. (Running on oeis4.)