142163

Appears in sequences

• a(n) = A046161(n) + A001803(n).at n=8A173396
• Number of 8 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally.at n=17A188559
• Number of ascents of length 1 in all dispersed Dyck paths of length n (i.e., in all Motzkin paths of length n with no (1,0) steps at positive heights). An ascent is a maximal sequence of consecutive (1,1)-steps.at n=18A191386
• Sum over all peaks of Dyck paths of semilength n of the arithmetic mean of the x and y coordinates.at n=9A258431
• a(n) = 2^(n - 1) + binomial(n, floor(n/2))*(n + 1)/2.at n=16A323988