41798

Appears in sequences

• E.g.f. A(x) is the series reversion of 2*x-1/2*x^2-exp(x)+1.at n=5A207493
• a(n) is the number of row convex polyglasses (polyiamonds which need only touch at corners) with n cells.at n=6A319325
• Number of iterations before a repeated value, or -1 if this never occurs, when starting at k = 1 and repeating k = k*n if k does not contain any adjacent equal digits, else k = k with all adjacent equal digits replaced by a single copy of the same digit.at n=17A368940