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 A119994 Fixed point of the morphism a -> {a, a + 1, Prime(a + 1)}, beginning with 0. 0
 0, 1, 2, 1, 2, 3, 2, 3, 5, 1, 2, 3, 2, 3, 5, 3, 4, 7, 2, 3, 5, 3, 4, 7, 5, 6, 13, 1, 2, 3, 2, 3, 5, 3, 4, 7, 2, 3, 5, 3, 4, 7, 5, 6, 13, 3, 4, 7, 4, 5, 11, 7, 8, 19, 2, 3, 5, 3, 4, 7, 5, 6, 13, 3, 4, 7, 4, 5, 11, 7, 8, 19, 5, 6, 13, 6, 7, 17, 13, 14, 43, 1, 2, 3, 2, 3, 5, 3, 4, 7, 2, 3, 5, 3, 4, 7, 5, 6, 13 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS First occurrance of k: 1, 2, 3, 6, 17, 9, 26, 18, 53, 158, 473, 51, 152, 27, 80, 239, 716, 78, 233, 54, 161, 482, 1445, 159, 476, 1427, ...,. LINKS MATHEMATICA Nest[ Flatten[ #1 /. a_Integer -> {a, a + 1, Prime[a + 1]}] &, {0}, 5] CROSSREFS Sequence in context: A076827 A165477 A318687 * A029167 A161103 A147301 Adjacent sequences:  A119991 A119992 A119993 * A119995 A119996 A119997 KEYWORD nonn AUTHOR Robert G. Wilson v, Aug 02 2006 STATUS approved

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Last modified February 21 23:41 EST 2020. Contains 332113 sequences. (Running on oeis4.)