39487
domain: N
Appears in sequences
- Number of subsets of { 1, ..., n } containing an A.P. of length 10.at n=22A018795
- Numbers k such that 239*2^k+1 is prime.at n=26A032496
- a(n+1) = a(n) + floor(a(n)/4) with a(0)=4.at n=43A182305
- Square array, read by antidiagonals, used to recursively calculate the Springer numbers A001586.at n=39A185418
- a(n) = Sum_{y=1..n} Sum_{x=1..n} floor((x^k + y^k)^(1/k)) with k = 3.at n=37A211792