100031
domain: N
Appears in sequences
- Lexicographically earliest strictly increasing decimal autovarious sequence: a(n) = number of distinct n-digit endings (left-zero-padded) of terms in the sequence.at n=28A037089
- Lexicographically earliest strictly increasing base 8 autovarious sequence: a(n) = number of distinct a(k) mod 8^n (written in base 8).at n=24A038117
- Lexicographically earliest strictly increasing base 9 autovarious sequence: a(n) = number of distinct a(k) mod 9^n (written in base 9).at n=26A038118
- a(1) = 1, a(2) = 21; for n>2, a(n) is the least number whose neighboring digit difference forms a(n-1) such that a(n+1) also exists.at n=5A110400
- 10^n+2^n-1.at n=5A155594
- a(n)^3 ends in n^3.at n=31A167178
- Integers whose decimal representation consists of three distinct digits, one appearing once, one appearing twice, and one appearing three times.at n=10A182040
- a(n) = A239460(n) / n^2.at n=30A239463
- Number of compositions of n with distinct differences up to sign.at n=29A325552