50026

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite CHI = Chiavennite Ca4Mn4[Be8Si20O52(OH)8].8H2O starting with a T4 atom.at n=16A019094
• Number of 5-step E, S, NW and NE-moving king's tours on an n X n board summed over all starting positions.at n=17A187588
• Number of length n+5+1 0..5 arrays with every value 0..5 appearing at least once in every consecutive 5+2 elements, and new values 0..5 introduced in order.at n=11A242236
• Pseudoprimes to base 7, written in base 7.at n=21A262104
• Row sums of A325433.at n=47A325434
• G.f.: Sum_{k>=0} x^(k*(k+1)) * Product_{j=1..k} 1/(1 - x^j)^3.at n=30A376708