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 A309343 Position of start of first occurrence of palindromic prime(n) after the decimal point in expansion of Pi. 0
 6, 9, 4, 13, 94, 852, 1096, 393, 728, 1944, 858, 934, 5229, 25, 405, 631, 647, 1259, 416, 1853, 78246, 182558, 13736, 53100, 38835, 58726, 54516, 97930, 8827, 11000, 69516, 5795, 183115, 161674, 320336, 41934, 55891, 71399, 65195, 189109, 21045, 49012 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE First occurrence of palindromic prime(5) = 11 starts at the 94th digit after the decimal point, hence a(5) = 94. PROG (SageMath) def postionInPi(n):   return str(N(pi, 2000000))[1:].find(str(n)) [ postionInPi(i) for i in A002385[0:200] ] CROSSREFS Cf. A002385, A037024, A000796, A014777. Sequence in context: A216638 A110649 A037024 * A254276 A021939 A069864 Adjacent sequences:  A309340 A309341 A309342 * A309344 A309345 A309346 KEYWORD nonn,base AUTHOR Hauke Löffler, Jul 24 2019 STATUS approved

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Last modified June 13 08:10 EDT 2021. Contains 344981 sequences. (Running on oeis4.)