111874

Appears in sequences

• G.f.: Sum_{n>=0} a(n)*x^n/3^(n(n-1)/2) = exp( Sum_{n>=1} A(x/3^n)^n*x^n/n ).at n=5A176827
• Number of n X 6 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X 6 array.at n=23A220030