79470

Appears in sequences

• G.f.: ( 1 + x + x^2 - x^3 - x^4 - sqrt( 1 - 2 x - 5 x^2 - 4 x^3 - 3 x^4 - 4 x^5 - x^6 + 2 x^7 + x^8 ) ) / ( 2 x (1 + x) ).at n=12A050262
• Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j,-n)*S1(k,j), S1 the Stirling cycle numbers A132393, for n>=0 and 0<=k<=n.at n=43A271699
• Starts of runs of 3 consecutive Pell-Niven numbers (A352320).at n=35A352322
• Irregular triangle read by rows where T(n,k) is the number of labeled loop-graphs covering n vertices with k edges.at n=48A369199