60280

Appears in sequences

• McKay-Thompson series of class 20F for Monster.at n=28A058555
• Coefficient of x^n in solution of x = y + y^2 + y^4 + y^8 + ...at n=10A092413
• Number of monic polynomials with integer coefficients of degree n with all roots on the unit circle; number of products of cyclotomic polynomials of degree n.at n=22A120963
• Expansion of phi(-q^3) / f(-q)^2 in powers of q where phi(), f() are Ramanujan theta functions.at n=27A137685
• Length of n-th iterate of the mapping 00->0010, 01->001, 10->001, starting with 00.at n=19A289000
• Expansion of (eta(q^4) * eta(q^5) / (eta(q) * eta(q^20)))^2 in powers of q.at n=28A298107
• Expansion of 1/q * chi(q) * chi(q^5) * chi(-q^20)^2 / chi(-q)^2 in powers of q where chi() is a Ramanujan theta function.at n=28A298116
• Number of nX4 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=8A302363
• Number of n element multisets of length 3 vectors over GF(2) that sum to zero.at n=18A362906