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A106146
Semiprimes (mod 10).
4
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
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
KEYWORD
nonn
AUTHOR
Shyam Sunder Gupta, May 07 2005
STATUS
approved