428415

Appears in sequences

• Triangle of coefficients in expansion of (1+13x)^n.at n=25A123187
• Triangle read by rows: T(i,j) is the number of i-permutations of 14 objects a,b,c,d,e,f,g,h,i,j,k,l,m,n, with repetition allowed, containing j a's.at n=23A133371
• A triangular sequence of the expansion of: (1-Prime[n])^n: t(n,m)=(-1)^m*Prime[n]^(n - m)*Binomial[n, m]; with Prime[0]=1 defined to extend and lower the results.at n=23A141028
• a(n) = n^4 if n odd, 15*n^4/16 if n even.at n=26A309336