A228355 Write the primes backwards in base 10 and juxtapose their digits.

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

Offset

0,1

Comments

Also, decimal expansion of the constant 0.235711317191329213731434743595...

The same sequence, but with different indexing, would arise for the table whose n-th row lists the A097944(n) digits of the n-th prime A000040(n) from right to left. - M. F. Hasler, Oct 24 2019

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..2000

Mathematica

Reverse[IntegerDigits//@ Reverse@Prime@Range@50//Flatten]

Prog

(PARI) fromdigits( A=concat(apply( row(n)=Vecrev(digits(prime(n))), [1..default(realprecision)])))*.1^#A \\ Result = the constant, A = sequence of digits, row(n) = n-th row of the table. - M. F. Hasler, Oct 24 2019

Crossrefs

Cf. A004087, A007376, A033308.

Sequence in context: A033308 A134690 A295868 * A065859 A258062 A117819

Adjacent sequences: A228352 A228353 A228354 * A228356 A228357 A228358

Keyword

nonn,base,cons

Author

Vincenzo Librandi, Aug 21 2013

Status

approved