38074
domain: N
Appears in sequences
- a(n) = round(10000*log_2(n)).at n=13A004269
- a(n) = ceiling(10000*log_2(n)).at n=13A004270
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 55.at n=1A031643
- Number of representations of n as a sum of products of distinct pairs of positive integers, considered to be equivalent when terms or factors are reordered.at n=47A211856
- Composite numbers k such that phi(x) = psi(k)*phi(k) has no solution.at n=34A292714
- Expansion of Product_{i>=1, j>=1} (1 + x^(i*(2*j - 1))).at n=42A327731
- Triangle read by rows where T(n,k) is the number of set partitions of {1..n} with exactly k distinct block-sums.at n=60A371788