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Primes from merging of 9 successive digits in decimal expansion of Pi.
23

%I #14 Dec 14 2014 06:15:14

%S 795028841,502884197,884197169,971693993,348253421,421170679,

%T 306647093,812848111,659334461,233786783,648566923,346034861,

%U 326648213,829254091,678925903,959195309,530921861,938183011,298336733,798609437,717629317,320005681,757789609

%N Primes from merging of 9 successive digits in decimal expansion of Pi.

%C Leading zeros are not permitted, so each term is 9 digits in length.

%H Vincenzo Librandi, <a href="/A198173/b198173.txt">Table of n, a(n) for n = 1..1000</a>

%t With[{len=9},Select[FromDigits/@Partition[RealDigits[Pi,10,1000][[1]], len,1],IntegerLength[#]==len&&PrimeQ[#]&]]

%Y 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, A198174, A198175, A104851, A198177.

%K nonn,base

%O 1,1

%A _Harvey P. Dale_, Oct 21 2011