130531

Properties

Appears in sequences

• Primes of the form Sum[ Sum[ Prime[k], {k,1,m} ], {m,1,n} ] = A014148[n].at n=9A122382
• Primes in A005891 = Centered pentagonal numbers: (5n^2 + 5n + 2)/2.at n=36A145838
• Number of 7Xn 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=9A303329
• Prime numbersat n=12209