cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-2 of 2 results.

A332308 a(n) = round(c^n), where c is the prime generating constant c = 31622.77671855956934118197870614288... .

Original entry on oeis.org

1000000007, 31622776952311, 1000000014783746303, 31622777186062677745609, 1000000022175619536498921059, 31622777419814234539614807614633, 1000000029567492824611472390607319403, 31622777653565793061482767695810547093627, 1000000036959366167363813218134876470482703123
Offset: 2

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Author

Simon Plouffe, Mar 07 2020

Keywords

Comments

The exact value of c = 31622.776718559569341 ... has 4096 decimal digits (cf. A335320).

Examples

			round(c^2) = 1000000007, round(c^3) = 31622776952311.
		

Crossrefs

Formula

a(n) = round(c^n), gives primes for n = 2..388.

Extensions

Edited by Georg Fischer, Jun 27 2020

A335321 Decimal expansion of a prime generating constant c for which round(c^k) is prime for 2 <= k <= 633.

Original entry on oeis.org

5, 5, 2, 3, 7, 0, 7, 5, 0, 4, 2, 9, 6, 7, 6, 4, 7, 1, 5, 4, 3, 3, 1, 2, 4, 7, 8, 1, 5, 2, 8, 6, 1, 7, 4, 1, 7, 2, 6, 3, 7, 4, 0, 7, 4, 3, 5, 3, 4, 9, 7, 6, 6, 2, 5, 3, 5, 5, 7, 4, 0, 8, 6, 0, 7, 6, 5, 7, 1, 0, 8, 1, 9, 5, 5, 9, 2, 1, 2, 5, 6, 3, 6, 5, 8, 0, 7
Offset: 5

Views

Author

Hugo Pfoertner, Jun 30 2020

Keywords

Comments

See A333127 for more information and references.

Examples

			55237.0750429676471543312478152861741726374074353497662535574...
		

Crossrefs

Showing 1-2 of 2 results.