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A031945 Numbers in which 0,1,2,3 all occur in base 4. 1
75, 78, 99, 108, 114, 120, 135, 141, 147, 156, 177, 180, 198, 201, 210, 216, 225, 228, 267, 270, 283, 286, 291, 295, 299, 300, 301, 302, 303, 306, 310, 312, 313, 314, 315, 318, 331, 334, 355, 364, 370, 376, 387, 391, 395, 396 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Or, numbers in which the number of distinct base 4 digits is 4.
LINKS
CROSSREFS
Sequence in context: A143754 A357040 A023146 * A049355 A095585 A095571
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Edited by N. J. A. Sloane, Apr 05 2009 at the suggestion of R. J. Mathar
STATUS
approved

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Last modified February 23 17:12 EST 2024. Contains 370283 sequences. (Running on oeis4.)