428430

Appears in sequences

• Number of nonnegative integer arrays of length n+2*4-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 4.at n=27A211696
• Expansion of a(q)^2 * (c(q)/3)^3 in powers of q where a(), c() are cubic AGM theta functions.at n=25A266288
• a(n) = Sum_{ d >= 1, d divides n} (-1)^(n-d)*d^4.at n=25A279395
• a(n) = Sum_{d|n} (-1)^(n/d+1)*d^4.at n=25A284900