158036

Appears in sequences

• G.f.: ( 1 - x^2 - sqrt( 1 - 2*x^2 - 4*x^3 - 3*x^4 ) ) / ( 2*x^3 ).at n=21A050253
• Number of primes p in the range 9 < p <= prime(10^n) that begin and end with the same digit.at n=5A145713
• Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 4 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=8A300933
• Expansion of Product_{k=1..24} theta_3(q^k), where theta_3() is the Jacobi theta function.at n=43A320248