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A176407
Omit all 1's and 2's from n.
1
0, 0, 0, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 3, 4, 5, 6, 7, 8, 9, 30, 3, 3, 33, 34, 35, 36, 37, 38, 39, 40, 4, 4, 43, 44, 45, 46, 47, 48, 49, 50, 5, 5, 53, 54, 55, 56, 57, 58, 59, 60, 6, 6, 63, 64, 65, 66, 67, 68, 69, 70, 7, 7, 73, 74, 75, 76, 77, 78, 79, 80, 8, 8, 83, 84, 85, 86, 87, 88, 89, 90, 9, 9, 93, 94, 95, 96, 97, 98, 99, 0, 0, 0, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0, 3, 4
OFFSET
0,4
LINKS
MATHEMATICA
Table[FromDigits[DeleteCases[IntegerDigits[n], 1 | 2]], {n, 300}]
PROG
(PARI) a(n) = fromdigits(select(x->((x!=1) && (x!=2)), digits(n))); \\ Michel Marcus, Sep 17 2017
CROSSREFS
Cf. A004176 (Omit 1's from n), A004177 (Omit 2's from n).
Sequence in context: A009041 A196033 A248631 * A077396 A243196 A247485
KEYWORD
nonn,base
AUTHOR
Zak Seidov, Dec 07 2010
STATUS
approved