42771

Appears in sequences

• Expansion of f(-x, -x^5) * f(-x^6) / f(-x)^2 in powers of x where f(, ) and f() are Ramanujan theta functions.at n=29A132302
• Expansion of q^(-2/3) * (psi(-q^3) / psi(-q)^3) * (c(q^2) / 3) in powers of q where psi() is a Ramanujan theta function and c() is a cubic AGM theta function.at n=19A132978
• a(n) = n^3 - 3n^2 + 3.at n=36A177058
• Numbers equidistant from twin prime pairs that are also equidistant from numbers equidistant from twin prime pairs.at n=37A260517
• Magic sums of 3 X 3 semimagic squares composed of odd squares.at n=19A269297
• Numbers that are the sum of seven fourth powers in exactly eight ways.at n=33A345830
• Integers k equal to the sum over A024816(t) mod t, for some steps, starting with t = k and then using the result to feed the next calculation.at n=27A377002