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A198167 Primes from merging of 7 successive digits in decimal expansion of sqrt(2). 23
3562373, 5048801, 2420969, 5038753, 7534327, 6415727, 5073721, 2126441, 2644121, 9709993, 9935831, 2226659, 9275579, 8206057, 5714701, 7027453, 2851741, 8640889, 2145083, 5835239, 3868999, 8689997, 9970699, 9900481, 2779031, 6311159, 6668713, 6871301 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Leading zeros are not permitted, so each term is 7 digits in length.

LINKS

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

MATHEMATICA

With[{len=7}, 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, A198165, A198166, A198168, A198169, A198170, A198171, A198172, A198173, A198174, A198175, A104851, A198177.

Sequence in context: A202570 A209857 A107349 * A329578 A053078 A209911

Adjacent sequences:  A198164 A198165 A198166 * A198168 A198169 A198170

KEYWORD

nonn,base

AUTHOR

Harvey P. Dale, Oct 21 2011

STATUS

approved

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Last modified April 14 07:32 EDT 2021. Contains 342946 sequences. (Running on oeis4.)