618475290624
domain: N
Appears in sequences
- a(n) = 9*4^n.at n=18A002063
- a(n) = n*2^(2*n-1).at n=18A002699
- Expansion of g.f.: (1+x)/(1-8*x).at n=13A003951
- Number of compositions of n into 3*j-1 kinds of j's for all j >= 1.at n=20A055841
- Numbers n such that reciprocal of n terminates with an infinite repetition of digit 1. Multiples of 10 are omitted.at n=8A064560
- Eighth column of triangle A067410.at n=10A067415
- Total number of nodes in all labeled graphs on n nodes.at n=8A095340
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^14 = I.at n=13A167110
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^15 = I.at n=13A167658
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^16 = I.at n=13A167900
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^17 = I.at n=13A168686
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^18 = I.at n=13A168734
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^19 = I.at n=13A168782
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^20 = I.at n=13A168830
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^21 = I.at n=13A168878
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^22 = I.at n=13A168926
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^23 = I.at n=13A168974
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^24 = I.at n=13A169022
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^25 = I.at n=13A169070
- Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^26 = I.at n=13A169118