58528

Appears in sequences

• Write exp(-x) = Product_{n>=1} (1 + g_n * x^n); a(n) = numerator(g_n).at n=26A170910
• a(n) is the determinant of the 2 X 2 matrix whose entries (when read by rows) are the n-th primes ending in 1, 3, 7, 9 respectively.at n=17A335592