236964

Appears in sequences

• a(n) = A104908(n) - 10*A104863(n).at n=43A104909
• Sum of the divisors of 7^n+1.at n=6A366638
• a(n) = (3/2)*A019565((2n-1)^2) - A019565(A001065((2n-1)^2)), where A019565 is the base-2 exp-function, and A001065 is the sum of proper divisors of n.at n=14A379501