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A133069 Successive digits of twin primes A001097. 1
3, 5, 7, 1, 1, 1, 3, 1, 7, 1, 9, 2, 9, 3, 1, 4, 1, 4, 3, 5, 9, 6, 1, 7, 1, 7, 3, 1, 0, 1, 1, 0, 3, 1, 0, 7, 1, 0, 9, 1, 3, 7, 1, 3, 9, 1, 4, 9, 1, 5, 1, 1, 7, 9, 1, 8, 1, 1, 9, 1, 1, 9, 3, 1, 9, 7, 1, 9, 9, 2, 2, 7, 2, 2, 9, 2, 3, 9, 2, 4, 1, 2, 6, 9, 2, 7, 1, 2, 8, 1, 2, 8, 3, 3, 1, 1, 3, 1, 3 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also, with offset 0, decimal expansion of the constant by concatenate twin primes. Example: 0.35711131719293141435961... Hence, subsequence of A033308. - Omar E. Pol, Oct 21 2017

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..5000

Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos.

MATHEMATICA

Flatten[IntegerDigits/@Union[Flatten[Select[Partition[Prime[ Range[ 100]], 2, 1], Last[#]- First[#] == 2&]]]] (* Harvey P. Dale, May 29 2014 *)

CROSSREFS

Cf. A001097, A033308, A053067, A133013, A133014.

Sequence in context: A084712 A031100 A031057 * A192327 A266295 A172049

Adjacent sequences:  A133066 A133067 A133068 * A133070 A133071 A133072

KEYWORD

easy,nonn,cons,base

AUTHOR

Omar E. Pol, Nov 10 2007

STATUS

approved

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Last modified June 19 11:14 EDT 2019. Contains 324219 sequences. (Running on oeis4.)