42425

Appears in sequences

• Sum of terms in n-th row of A077316.at n=24A077318
• Numbers k such that sigma(k - 2) = sigma(k + 2).at n=32A223091
• a(n) = n^4 - 3*n^3 + 9*n^2 - 7*n + 5 (n>=1).at n=14A304162