43779
domain: N
Appears in sequences
- Number of binary strings of length n with no substrings equal to 0001 0011 or 1110.at n=19A164461
- Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..4 array extended with zeros and convolved with -1,2,-1.at n=19A222039
- Triangle read by rows: T(n,k) (n >= 1, 1 <= k <= n) = number of normalized 2n-plets, with single or double steps, associated to trees with k edges.at n=40A294440
- Number of nX5 0..1 arrays with every element unequal to 2, 3, 5 or 7 king-move adjacent elements, with upper left element zero.at n=10A304260
- a(n) = [x^n] f(x)^n, where f(x) = (1 - x^7)^7/((1 - x^2)^2 * (1 - x^5)^5).at n=10A372212