48444

Appears in sequences

• Numbers k such that 15*2^k + 1 is prime.at n=38A002258
• Numbers k such that k-th and (k+1)-st term of A038593 differ by 3.at n=35A038634
• Growth series for Heisenberg group.at n=31A063810
• a(1)=1; for n > 1, a(n) = n*(a(n-1) + a(n-2) + ... + a(2) + a(1)) + 4.at n=6A082430
• Integers that do not appear in A103502.at n=28A103504
• a(n) = 100*n^2 + 2*n.at n=21A158127
• a(n) = 25*n^2 + n.at n=43A173089
• Numbers of ways in which a unit disc can be dissected into 6n curvilinear triangles, at least one of which does not contain the center.at n=38A193362
• a(n) = Sum_{1<=i<j<k<=n} F(i)*F(j)*F(k), where F(m) is the m-th Fibonacci number.at n=9A213787
• Numbers with digits 4 and 8 only.at n=38A284972
• a(n) is the number of configurations of n indistinguishable pairs placed on the vertices of the ladder graph P_2 X P_n such that all but 3 such pairs are joined by an edge.at n=9A318268
• Triangle read by rows giving the number of configurations of n indistinguishable pairs placed on the vertices of the ladder graph P_2 X P_n such that exactly k such pairs are joined by an edge.at n=51A325753