A085820 Possible two-digit endings of primes (with leading zeros).

1, 3, 7, 9, 11, 13, 17, 19, 21, 23, 27, 29, 31, 33, 37, 39, 41, 43, 47, 49, 51, 53, 57, 59, 61, 63, 67, 69, 71, 73, 77, 79, 81, 83, 87, 89, 91, 93, 97, 99

Offset: 1

Author

Zak Seidov, Jul 04 2003

Keywords

• full
• nonn
• fini
• base

Comments

This is a finite sequence which contains the first few terms of A045572.

Smallest prime > A085820(n) ending with A085820(n) in A085821.

Links

• Caldwell and Honaker, Prime Curios!: NASCAR Prime Puzzle

Crossrefs

Cf. A085821.

Programs

Mathematica

Mod[Prime[Range[5,1000]],100]//Union (* Harvey P. Dale, Jul 10 2017 *)

Sage

[x for x in range(100) if kronecker(x^2,100)==1] # Zerinvary Lajos, Dec 07 2009