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A031968 n-th number in which the number of distinct base 9 digits is 4. 0
750, 751, 752, 753, 754, 755, 758, 760, 761, 762, 763, 764, 767, 768, 770, 771, 772, 773, 776, 777, 778, 780, 781, 782, 785, 786, 787, 788, 790, 791, 794, 795, 796, 797, 798, 800, 803, 804, 805, 806, 807, 808, 894, 895, 896 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

Sequence in context: A252681 A252532 A252533 * A053331 A237798 A015067

Adjacent sequences:  A031965 A031966 A031967 * A031969 A031970 A031971

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 8 19:01 EDT 2020. Contains 335524 sequences. (Running on oeis4.)