84188

Appears in sequences

• Number of primes q such that phiter(q)=n where phiter(n)=A064415(n).at n=17A064674
• a(n) = sigma_3(n) - sigma_2(n).at n=41A092349
• Number of nX3 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=10A200985
• Number of (n+2) X (2+2) 0..1 arrays with every 2 X 2 and 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.at n=31A253504