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A338072
Concatenation of the digits of A083758.
4
2, 3, 1, 1, 7, 4, 1, 3, 1, 1, 7, 1, 6, 3, 2, 3, 7, 9, 1, 9, 7, 2, 4, 1, 2, 9, 3, 7, 5, 9, 1, 9, 3, 2, 2, 7, 2, 2, 9, 2, 3, 9, 4, 3, 9, 9, 2, 9, 3, 3, 7, 2, 5, 7, 1, 4, 4, 7, 5, 0, 9, 1, 9, 2, 9, 3, 1, 7, 2, 3, 1, 6, 1, 9, 9, 3, 7, 1, 7, 9, 3, 6, 7, 2, 5, 1, 1, 0, 6, 3, 4, 2, 4, 1
OFFSET
1,1
COMMENTS
This is the beginning of the decimal expansion of the very large primes defined in A083758 and A083759, read from left to right.
EXAMPLE
The primes are:
2,
23,
2311,
23117,
2311741,
231174131,
23117413117,
23117413117163,
2311741311716323,
...
23117413117163237919724129
...
2311741311716323791972412937591932272292394399293372571447509192931723161993717936725110634241
...
CROSSREFS
Cf. A033308 (the Copeland-Erdős constant), A083758, A083759, A338073.
Sequence in context: A204167 A217897 A135900 * A173272 A326303 A047789
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Oct 20 2020
STATUS
approved