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A241245 Primes obtained by merging 4 successive digits in decimal expansion of sqrt (5). 1
6067, 7499, 8969, 4091, 9173, 8731, 5209, 9941, 2749, 4969, 5081, 5077, 4253, 2677, 4447, 3863, 2153, 7817, 3191, 9187, 1879, 6581, 8053, 1753, 5003, 2339, 9241, 3253, 2539, 2887, 6299, 8161, 7759, 2371, 3907, 7297, 8641, 2689, 4099, 3169, 1693, 7019, 7541, 5413 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

All the terms in the sequence are 4-digit primes because leading zeros are not permitted.

LINKS

K. D. Bajpai, Table of n, a(n) for n = 1..1514

MATHEMATICA

With[{s5=FromDigits/@Partition[RealDigits[Sqrt[5], 10, 500][[1]], 4, 1]}, Select[ s5, IntegerLength[#]==4&&PrimeQ[#]&]] (* Harvey P. Dale, Mar 25 2018 *)

CROSSREFS

Cf. A198161, A198162, A198163, A198164, A198165, A198166, A198169, A241149.

Sequence in context: A238042 A251818 A241244 * A260105 A084804 A274360

Adjacent sequences:  A241242 A241243 A241244 * A241246 A241247 A241248

KEYWORD

nonn,base

AUTHOR

K. D. Bajpai, Apr 18 2014

EXTENSIONS

Mathematica program corrected by Harvey P. Dale, Mar 25 2018

STATUS

approved

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Last modified May 18 23:31 EDT 2022. Contains 353826 sequences. (Running on oeis4.)