A338072 Concatenation of the digits of A083758.

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.

Links

Table of n, a(n) for n=1..94.

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

Adjacent sequences: A338069 A338070 A338071 * A338073 A338074 A338075

Keyword

nonn,base

Author

N. J. A. Sloane, Oct 20 2020

Status

approved