A108810 Self-describing primes.

10153331, 10173133, 10233221, 10311533, 10322321, 12103331, 12163133, 12163331, 12193133, 12311933, 12313319, 15103133, 15233221, 15311633, 15331931, 15333119, 16153133, 16153331, 16173133, 16331531, 16331831, 16333117, 17143331, 17311633, 17331031, 18103133

Offset

1,1

Comments

Self-descriptive numbers are read in pairs of digits.

This uses a different method from A047841. Here the digits are described in any order, whereas in A047841 they must be described in increasing order.

References

Computed by Jud McCranie.

Mudge, 'Numbers Count', Personal Computer World, Jun 15 1996

Links

Giovanni Resta, Table of n, a(n) for n = 1..10000

Prime Curios, Self-describing primes

Example

E.g. 10153331 reads "One 0, one 5, three 3's and three 1's", which does indeed describe 10153331.

Crossrefs

Cf. A047841, A059504, A109775, A109776, A173101.

Sequence in context: A262556 A155514 A133595 * A173095 A244076 A234404

Adjacent sequences: A108807 A108808 A108809 * A108811 A108812 A108813

Keyword

nonn,base,fini

Author

G. L. Honaker, Jr., Jul 12 2005

Extensions

More terms from Giovanni Resta, Aug 14 2019

Status

approved