178905

Appears in sequences

• Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal sum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=19A253839
• a(n) = Sum_{i=1..n} prime(n*(i - 1) + i).at n=35A319012