40719
domain: N
Appears in sequences
- Numbers k that divide the (left) concatenation of all numbers <= k written in base 22 (most significant digit on left).at n=16A029491
- Number of quaternary codes of length 9 with n words.at n=4A034240
- Number of quaternary codes (not necessarily linear) of length n with 4 words.at n=8A034241
- Floor-Sqrt transform of numbers of A078678 (Grand Dyck paths with no zigzags).at n=24A192682
- G.f.: exp( Sum_{n>=1} (x^n/n) / Product_{d|n} (1 - d*x^n) ).at n=23A198296
- Number of partitions p of n such that m(p) <= m(c(p)), where m = maximal multiplicity of parts, and c = conjugate.at n=43A240727
- For any number n with runs in binary expansion (r_w, ..., r_0), let p(n) be the polynomial of a single indeterminate x where the coefficient of x^e is r_e for e = 0..w and otherwise 0, and let q be the inverse of p; a(n) = q(p(n)^2).at n=11A355654