675840
domain: N
Appears in sequences
- A convolution triangle of numbers obtained from A036070.at n=28A030526
- Expansion of (-1+1/(1-4*x)^4)/(16*x); related to A038846.at n=7A036070
- E.g.f.: x^3*exp(x)^2.at n=12A052771
- Smallest k-almost prime between twin primes (for k >= 2).at n=13A068525
- Number of directed Hamiltonian paths in the 2n-crossed prism graph.at n=8A137885
- Coefficients in expansion of Delta'(q).at n=7A145155
- The lower left triangle of the ED2 array A167560.at n=25A167569
- The third right hand column of triangle A167569.at n=4A167570
- Number of 6-cycles in the n-hypercube graph.at n=11A290031
- a(n) is the number of subsets of {1..n} that contain exactly 4 odd numbers.at n=21A331419
- a(n) = (1/3)*Product_{k=0..n} (F(k)+3), where F=A000045 (Fibonacci numbers).at n=7A374982