54016

Appears in sequences

• a(n) = (2*n-1)*a(n-1) - (n-1)*a(n-2) with a(0) = a(1) = 1.at n=7A002801
• Expansion of 1/((1-8*x)*(1-12*x)).at n=4A016188
• Numbers whose set of base 15 digits is {0,1}.at n=27A033051
• Numbers n such that n^3 is palindromic in base 15.at n=16A046251
• Numbers k such that 4^k + 2^k - 1 is prime.at n=30A098855
• Symmetrical triangle read by rows: T(n, k) = m*(T(n-1, k-1) + T(n-1, k)), where T(n, 1) = T(n, n) = n, and m = 2.at n=49A177696
• Symmetrical triangle read by rows: T(n, k) = m*(T(n-1, k-1) + T(n-1, k)), where T(n, 1) = T(n, n) = n, and m = 2.at n=50A177696
• Number of arrays of 4 integers in -n..n with sum zero and adjacent elements differing in absolute value.at n=21A202964
• T(n,k) = k^n + k^(n - 2)*n*(n - 1)*(k*(k - 1) + 1)/2 for 0 < k <= n and T(n,0) = A154272(n+1), square array read by antidiagonals upwards.at n=59A320530
• Indices of records in A347113.at n=34A347308
• Dimension of space of equivariant linear maps from R^{n^3} to R^{n^3} under diagonal action of {-1, 1}^n.at n=16A370649
• Primitive terms of A388271.at n=33A388272