45852

Appears in sequences

• Maxima of the rows of the triangle A259095.at n=50A005577
• a(n) = a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1, a(2) = 2, and a(3) = 4.at n=34A050055
• a(n) = n*(6*n^2 + 15*n + 5)/2.at n=24A163833
• Total sum of the sum of divisors of the element sum over all nonempty subsets of [n].at n=9A309281
• a(1)=1, a(2)=2; thereafter a(n+1) = Sum_{i=m..n} a(i) where m = (n+1)-k and k is the last digit of a(n), except if k=0, k=1, or k>n then a(n+1) = Sum_{i=1..n} a(i).at n=17A309311
• Numbers k such that 403*2^k+1 is prime.at n=36A323101