42759

Appears in sequences

• Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 20 (most significant digit on right).at n=22A061949
• a(n) is the least number k such that Sum_{j=S(n)+1..S(n)+k} 1/j >= 1/2, where S(n) = Sum_{i=1..n-1} a(i) and S(1) = 0.at n=22A245800
• Expansion of Product_{k>=1} 1/(1 + p(k)*x^k), where p(k) = number of partitions of k (A000041).at n=26A316230