A106146 Semiprimes (mod 10).

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

Offset

1,1

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Mathematica

Mod[#, 10]&/@Select[Range[500], PrimeOmega[#]==2&] (* Harvey P. Dale, Apr 04 2013 *)

Prog

(Haskell)
a106146 = flip mod 10 . a001358  -- Reinhard Zumkeller, Mar 23 2014

Crossrefs

Cf. A001358.

Cf. A239634 (initial digits).

Sequence in context: A200107 A198733 A010478 * A154521 A129112 A239634

Adjacent sequences: A106143 A106144 A106145 * A106147 A106148 A106149

Keyword

nonn

Author

Shyam Sunder Gupta, May 07 2005

Status

approved