22615

Appears in sequences

• Numerators of continued fraction convergents to sqrt(919).at n=9A042776
• a(1) = 1 thereafter a(n) = Sum_{k=1..n-1} ceiling(a(n-k)/k).at n=21A100482
• 1/8 the number of permutations of 3 indistinguishable copies of 1..n with exactly 4 local maxima.at n=3A152501
• a(k) such that A225258 column k of T(n,k) = n*k^3 - a(k) for large n.at n=38A225263