-10920

Appears in sequences

• Reversion of y - y^2 + y^4 + y^5.at n=11A063034
• a(1) = 4; then alternately add -4 and multiply by -2.at n=26A096406
• Expansion of 3 * (b(q)^2/b(q^2)) / (c(q)^2/c(q^2)) in powers of q where b(), c() are cubic AGM theta functions.at n=18A128637
• Expansion of e.g.f. 1/(2 - (1 - x)^x).at n=7A354611