155100

Appears in sequences

• Theta series of A_10 lattice.at n=6A008450
• Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1), U=(1,2), or d=(1,-1) and having abscissa of first return equal to 3k.at n=33A108439
• Numbers k such that prime(k) +/- k and prime(k) +/- 2k are all primes.at n=18A112530