82560

Appears in sequences

• Expansion of Eisenstein series E_4(q) (alternate convention E_2(q)); theta series of E_8 lattice.at n=7A004009
• McKay-Thompson series of class 30B for the Monster group with a(0) = 0.at n=46A058613
• Numbers with prime factorization pqrs^7.at n=22A190473
• Number of 3-abelian equivalence classes of words of length n over a binary alphabet.at n=36A289657
• Numbers k such that k = Product (p_j^e_j) = Product (p_j*(e_j + 1)).at n=26A304410
• Irregular table read by rows: Take a decagon with all diagonals drawn, as in A333139. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.at n=30A332417
• Number of regions in the hyperoctahedral (or cocktail party) graph of order n.at n=19A368755