A045108 Numbers whose base-4 representation contains exactly four 1's and three 2's.

5482, 5530, 5542, 5545, 5722, 5734, 5737, 5782, 5785, 5797, 6490, 6502, 6505, 6550, 6553, 6565, 6742, 6745, 6757, 6805, 9562, 9574, 9577, 9622, 9625, 9637, 9814, 9817, 9829, 9877, 10582, 10585, 10597, 10645, 10837

Offset

1,1

Links

Table of n, a(n) for n=1..35.

Crossrefs

Cf. A007090.

Sequence in context: A324215 A234685 A031572 * A251962 A251956 A232153

Adjacent sequences: A045105 A045106 A045107 * A045109 A045110 A045111

Keyword

nonn,base

Author

Clark Kimberling

Status

approved