36413
domain: N
Appears in sequences
- Number of column-convex polyominoes with perimeter n.at n=7A006026
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 17.at n=30A051982
- Positive numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers and x>y).at n=9A135791
- Numbers of the form x^5-10x^3*y^2+5x*y^4 (where x,y are integers).at n=31A135793
- Number of digits in n^(n!).at n=8A202336
- Total sum of odd parts in the last section of the set of partitions of n.at n=32A206435
- Numbers k such that 30*k - 1, 30*k + 1, 30*k^2 - 1 and 30*k^2 + 1 are all prime.at n=45A359184
- a(n) = sigma(A003961(n^2)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1), and sigma is the sum of divisors function.at n=49A379482