149532

Appears in sequences

• G.f.: Product_{k>=1} (1+x^(k^2)) / (1-x^k).at n=41A280204
• In a Kolakoski n-chain, point at which term of penultimate sequence seq(n-1) differs from term of final sequence seq(n) in chain, when terms of seq(i) are run-lengths of seq(i+1) and the chain contains n sequences.at n=29A327421
• a(n) = Sum_{i+j+k+l+m+r=n, i,j,k,l,m,r >= 1} sigma(i)*sigma(j)*sigma(k)*sigma(l)*sigma(m)*sigma(r).at n=12A374979