22490

Appears in sequences

• Fibonacci(p-J(p,5)) mod p^2, where p is the n-th prime and J is the Jacobi symbol.at n=39A113650
• a(n) = 225*n^2 - n.at n=9A156813
• a(n) = 900*n^2 - 2*n.at n=4A158408
• a(n) = 100*n^2 - 10.at n=14A158490
• Right edge of triangular table A138612.at n=38A166019
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=|x-y|+|y-z|.at n=30A212570
• Numbers that can be represented as a sum of two distinct nontrivial prime powers in three or more ways.at n=23A225104
• Numbers which are the sum of two squared primes in exactly four ways (ignoring order).at n=6A226599
• Numbers k that are the product of four distinct primes such that x^2+y^2 = k has integer solutions.at n=37A248712
• Number of compositions of n into parts 1, 7, and 8.at n=39A276106
• Partial sums of the Dedekind psi_2(k) function, for 1 <= k <= n.at n=38A321973
• Multiplicative orders of 2+-i modulo p == 3 (mod 4) that are congruent to 2 modulo 4.at n=7A385218