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 A193801 Semiprimes in Gica-Panaitopol recursion A193298. 0
 4, 6, 9, 10, 14, 15, 21, 22, 25, 26, 33, 34, 35, 38, 39, 46, 49, 51, 55, 57, 58, 69, 74, 77, 82, 85, 86, 87, 91, 106, 111, 115, 118, 119, 121, 122, 123, 129, 133, 134, 158, 159, 161, 166, 169, 177, 178, 183, 185, 187, 194, 201, 202, 203, 205, 206, 237, 247 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Gica-Panaitopol semiprimes. Numbers of the form p*q where p and q are primes, not necessarily distinct, in Gica-Panaitopol recursion: g(1) = 1; g(n+1) = 2*g(n) if g(n) <= n; otherwise g(n+1) = g(n) - 1. LINKS FORMULA A001358 INTERSECTION A193298. CROSSREFS Cf. A001358, A193298, A193299. Sequence in context: A001358 A176540 A108764 * A129336 A226526 A103607 Adjacent sequences:  A193798 A193799 A193800 * A193802 A193803 A193804 KEYWORD nonn,easy AUTHOR Jonathan Vos Post, Aug 05 2011 STATUS approved

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Last modified May 25 10:57 EDT 2020. Contains 334592 sequences. (Running on oeis4.)