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A198165 Primes from merging of 5 successive digits in decimal expansion of sqrt(2). 25
56237, 37309, 78569, 67187, 48073, 76679, 66797, 97379, 79907, 50387, 34327, 64157, 15727, 91229, 70249, 73721, 12149, 70999, 35831, 65927, 55927, 55799, 11527, 55997, 59971, 86201, 20147, 28517, 88919, 30871, 14321, 45083, 50839, 62603, 51407, 87253, 72533 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Leading zeros are not permitted, so each term is 5 digits in length.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

With[{len=5}, 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, A198162, A198163, A198164, A198166, A198167, A198168, A198169, A198170, A198171, A198172, A198173, A198174, A198175, A104851, A198177.

Sequence in context: A252020 A031655 A203964 * A244294 A234488 A348100

Adjacent sequences:  A198162 A198163 A198164 * A198166 A198167 A198168

KEYWORD

nonn,base

AUTHOR

Harvey P. Dale, Oct 21 2011

STATUS

approved

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Last modified January 21 10:25 EST 2022. Contains 350477 sequences. (Running on oeis4.)