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 A198175 Primes from merging of 2 successive digits in decimal expansion of Pi. 23
 31, 41, 59, 53, 89, 97, 79, 23, 43, 83, 79, 41, 19, 97, 71, 37, 97, 59, 23, 89, 53, 11, 17, 67, 79, 13, 23, 47, 23, 31, 17, 53, 59, 11, 11, 17, 41, 19, 11, 59, 29, 89, 19, 97, 59, 61, 47, 23, 37, 67, 83, 31, 71, 19, 23, 61, 43, 13, 41, 73, 37, 31, 17, 29, 17 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Leading zeros are not permitted, so each term is 2 digits in length. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..2000 MATHEMATICA With[{len=2}, Select[FromDigits/@Partition[RealDigits[Pi, 10, 1000][[1]], len, 1], IntegerLength[#]==len&&PrimeQ[#]&]] CROSSREFS Cf. A103773, A103789, A103793, A103808, A103809, A103810, A103811, A103812, A104824, A104825, A104826, A104843, A104844, A104845, A104846, A104847, A104848, A104849, A104850, A198161, A198162, A198163, A198164, A198165, A198166, A198167, A198168, A198169, A198170, A198171, A198172, A198173, A198174, A104851, A198177. Sequence in context: A103490 A105320 A104822 * A238397 A087054 A245650 Adjacent sequences:  A198172 A198173 A198174 * A198176 A198177 A198178 KEYWORD nonn,base AUTHOR Harvey P. Dale, Oct 21 2011 STATUS approved

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Last modified January 21 09:29 EST 2022. Contains 350476 sequences. (Running on oeis4.)