20455

Appears in sequences

• Sum of 10 nonzero 8th powers.at n=33A003388
• Expansion of q / (chi(-q) * chi(-q^3) * chi(-q^5) * chi(-q^15)) in powers of q where chi() is a Ramanujan theta function.at n=44A123632
• T(n,k) = count of degree k monomials in the power sum symmetric polynomials p(mu,k) summed over all partitions mu of n.at n=19A209664
• Numbers whose Schwarzian arithmetic derivative is an integer.at n=31A209872
• Number of partitions of n into 5 sorts of parts.at n=6A246937
• Odd numbers n containing 65536 as the highest power of 2 in their Collatz (3x+1) iteration.at n=3A247716
• Number of (not necessarily maximal) cliques in the n-polygon diagonal intersection graph.at n=18A300524
• a(n) = Sum_{k=0..n} floor(sqrt(k))^5.at n=27A363499
• Expansion of Product_{i>=1, j>=0} (1 + x^(i * 5^j)).at n=56A373219