A370856 Numbers m such that c(0) <= c(1) <= c(2), where c(k) = number of k's in the ternary representation of m.

2, 5, 7, 8, 11, 15, 17, 19, 21, 23, 25, 26, 35, 44, 47, 50, 51, 52, 53, 59, 61, 65, 68, 69, 70, 71, 73, 75, 76, 77, 79, 80, 98, 104, 106, 107, 116, 128, 132, 134, 140, 142, 143, 146, 150, 152, 154, 155, 156, 158, 159, 160, 161, 176, 178, 179, 184, 185, 187

Offset

1,1

Links

Table of n, a(n) for n=1..59.

Example

The ternary representation of 15 is 120, for which c(0)=1 <= c(1)=1 < c(2)=1. So 15 is in the sequence.

Mathematica

Select[Range[1000], DigitCount[#, 3, 0] <= DigitCount[#, 3, 1] <= DigitCount[#, 3, 2] &]

Crossrefs

Cf. A007089, A370853, A370854, A370855.

Sequence in context: A286693 A032724 A153308 * A216565 A285938 A325441

Adjacent sequences: A370853 A370854 A370855 * A370857 A370858 A370859

Keyword

nonn,base

Author

Clark Kimberling, Mar 03 2024

Status

approved