

A198162


Primes from merging of 2 successive digits in decimal expansion of sqrt(2).


27



41, 13, 23, 37, 73, 67, 71, 53, 37, 73, 31, 17, 67, 79, 97, 73, 37, 79, 73, 47, 53, 43, 41, 73, 13, 23, 29, 97, 83, 73, 37, 41, 97, 83, 31, 41, 13, 59, 59, 79, 11, 71, 47, 59, 97, 71, 59, 97, 53, 59, 47, 17, 41, 89, 19, 23, 29, 23, 43, 71, 43, 83, 97, 79, 79
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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..1000


MATHEMATICA

With[{len=2}, Select[FromDigits/@Partition[RealDigits[Sqrt[2], 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, A198163, A198164, A198165, A198166, A198167, A198168, A198169, A198170, A198171, A198172, A198173, A198174, A198175, A104851, A198177.
Sequence in context: A095188 A215540 A107813 * A304581 A153682 A033361
Adjacent sequences: A198159 A198160 A198161 * A198163 A198164 A198165


KEYWORD

nonn,base


AUTHOR

Harvey P. Dale, Oct 21 2011


STATUS

approved



