39046

Appears in sequences

• G.f.: ( x - 3*x^2 + 6*x^3 - 8*x^4 + 4*x^5 - x^7 ) / (1 - 4*x + 6*x^2 - 5*x^3 + 2*x^4 + x^5 - x^6 + x^7 ).at n=19A083839
• Numbers k whose basins (as defined in A204539) equal 1.at n=6A204540
• Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 n X 4 array.at n=11A219515
• a(n) is the total area of all closed Deutsch paths of length n.at n=9A330169
• E.g.f. satisfies A(x) = (1+x) * exp(x * A(x)^2 / (1+x)).at n=5A378045