103608

Appears in sequences

• Number of length n+2 0..1 arrays with at most two downsteps in every n consecutive neighbor pairs.at n=24A256817
• Engel expansion of A249270 = lim_{n->oo} (1/n)*Sum_{k=1..n} smallest prime not dividing k.at n=16A346801
• a(n) = [x^(n*(n+1)/2)] Product_{k=1..n} (x^(k*(k+1)/2) + 1/x^(k*(k+1)/2)).at n=27A369494