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A043412
Numbers whose base-7 representation contains exactly four 4's.
0
1600, 4001, 6402, 8803, 9832, 10175, 10518, 10861, 11008, 11057, 11106, 11155, 11176, 11183, 11190, 11197, 11200, 11201, 11202, 11203, 11205, 11206, 11211, 11218, 11253, 11302, 11547, 11890, 13605, 16006, 18407
OFFSET
1,1
CROSSREFS
Cf. A007093.
Sequence in context: A224951 A260499 A309562 * A202096 A258675 A236992
KEYWORD
nonn,base
STATUS
approved