72063
domain: N
Appears in sequences
- Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k DUUU's starting at level 1.at n=28A135331
- a(n) = numerator of Sum_{k>=1} floor(n/k)/2^k.at n=13A178965
- Number of binary arrays indicating the locations of trailing edge maxima of a random length-n 0..3 array extended with zeros and convolved with 1,1,1.at n=23A222433
- p-INVERT of the odd positive integers, where p(S) = 1 - S - 3 S^2.at n=7A292486
- Numbers k such that k, k+1 and k+2 have different prime signatures and d(k) = d(k+1) = d(k+2), where d(k) is the number of divisors of k (A000005).at n=1A333056