137018

Appears in sequences

• a(0) = 1; for n > 0, a(n) = b(n) - n*b(n-1), b() = A076177().at n=12A092255
• Number of 0..n arrays x(0..3) of 4 elements with nondecreasing average value and 0..n occur with instance counts within one of each other.at n=32A200943