183072

Appears in sequences

• Number of primes less than 100000n.at n=24A038814
• a(n) is the sum of the n-th row of the triangle formed by replacing each m in Pascal's triangle with sigma(m).at n=16A074801
• Number of n X 4 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.at n=4A269048
• T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.at n=32A269052
• Number of 5Xn 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once.at n=3A269056