32038

Appears in sequences

• Numbers k such that 267*2^k-1 is prime.at n=38A050892
• a(n) = sum along n-th diagonal of A094102 (sloping downward to left).at n=40A094103
• Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 10.at n=7A154081
• Number of binary strings of length n with no substrings equal to 0000 0001 or 0111.at n=16A164412
• a(n) = prime(n)^2-3.at n=40A182200
• Numbers k such that (2*10^k + 529)/9 is prime.at n=25A281734
• a(n) = Sum_{k=0..floor(n/4)} binomial(n-1-3*k,n-4*k) * binomial(2*k,k).at n=24A360310
• a(n) = Sum_{k=1..n-1} tau(k) * sigma_2(n-k).at n=30A374973
• Irregular triangle read by rows: T(n,k) is the number of free polyominoes with n cells and width k, n >= 1, 1 <= k <= ceiling(n/2).at n=47A379623