279840
domain: N
Appears in sequences
- a(n) = Sum_{d|n, n/d=1 mod 4} d^4 - Sum_{d|n, n/d=3 mod 4} d^4.at n=22A050468
- Jordan function J_4(n).at n=22A059377
- a(n) = n*(n+1)*(n^2 + n + 4)/4.at n=32A061316
- Positive numbers which are one less than a perfect square that is also another power.at n=30A062965
- a(n) = n^4 - 1.at n=22A123865
- a(n) = 2401*n^2 - 980*n + 99.at n=10A157375
- a(n) = (-1)^n * Sum_{2*m + 1 | 2*n + 1} (-1)^m (2*m + 1)^4.at n=11A204342
- Triangle T(n,k) represents the coefficients of (x^11*d/dx)^n, where n=1,2,3,...at n=17A223513
- Expansion of a(q)^2 * (c(q)/3)^3 in powers of q where a(), c() are cubic AGM theta functions.at n=22A266288
- a(n) = n^4 * Sum_{d|n} (-1)^(n/d + 1) * mu(d) / d^4.at n=22A338549
- Pisano period of Hexanacci numbers (A001592) mod n.at n=22A381508
- Even positive numbers that are one less than the square of a perfect power.at n=14A389955