22976

Appears in sequences

• Expansion of theta_3 / theta_4.at n=20A007096
• Expansion of (theta_3(q) / theta_4(q))^2 in powers of q.at n=10A014969
• McKay-Thompson series of class 32A for Monster.at n=41A058629
• The 28-cycle of the n => sigma(n)-n process, where sigma(n) is the sum of divisors of n (A000203).at n=24A072890
• Expansion of 1 + 32 * (eta(q^4) / eta(q))^8 in powers of q.at n=5A097243
• Conjectured list of sociable numbers.at n=10A122726
• Expansion of (phi(-q) / phi(q))^2 in powers of q where phi() is a Ramanujan theta function.at n=10A139820
• Expansion of theta_4/theta_3 in powers of q.at n=20A189925
• Number of 0..1 arrays x(0..n-1) of n elements with each no smaller than the sum of its three previous neighbors modulo 2.at n=26A200661
• Expansion of phi(q^2)^2 / (phi(-q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=20A212318
• Expansion of phi(q^2)^2 / (phi(q) * phi(q^4)) in powers of q where phi() is a Ramanujan theta function.at n=20A232358
• Number of integer partitions of n such that either the run-lengths or the negated run-lengths are unimodal.at n=39A332746
• Conjectured list of numbers which are perfect, amicable, or sociable.at n=30A347770