219234

Appears in sequences

• Number of length n left factors of Dyck paths having no triple-rises (triple-rise = three consecutive (1,1)-steps).at n=27A191786
• Number of arrays of 5 integers in -n..n with sum zero and the sum of every adjacent pair being odd.at n=23A202077
• Number of 3 X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=14A302280