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A008521 Numbers that do not contain the letter `o'. 0
3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 23, 25, 26, 27, 28, 29, 30, 33, 35, 36, 37, 38, 39, 50, 53, 55, 56, 57, 58, 59, 60, 63, 65, 66, 67, 68, 69, 70, 73, 75, 76, 77, 78, 79, 80, 83, 85, 86, 87, 88, 89, 90, 93, 95, 96, 97, 98, 99, 300, 303, 305, 306, 307 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

There are exactly 454 oban numbers, (Eric W. Weisstein, Nov 09, 2003).

LINKS

Table of n, a(n) for n=1..69.

Eric Weisstein's World of Mathematics, Oban Number

CROSSREFS

Sequence in context: A005527 A009005 A138884 * A039231 A194387 A039175

Adjacent sequences:  A008518 A008519 A008520 * A008522 A008523 A008524

KEYWORD

nonn,word

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 2 04:09 EDT 2014. Contains 247527 sequences.