21173
domain: N
Appears in sequences
- a(n) = a(n-1) + a(round(2*(n-1)/3)) + a(round((n-1)/3)) with a(1)=1, a(2)=2.at n=37A033500
- a(n) = number of solutions to the Diophantine equation x+y^2+z^3=n^4 with positive x,y,z all distinct.at n=20A121984
- Positions of 3's in A234323.at n=59A234804
- Number of partitions p of n such that (number of even numbers in p) = 2*(number of odd numbers in p).at n=53A241643
- a(n) = 2*A090495(n) - 1.at n=40A274297
- Partial sums of A299894.at n=35A299895
- a(n) = a(n-1) + a(n-3) + a(n-4) with initial values a(0) = 8, a(1)=5, a(2) = 13, a(3) = 30.at n=17A347902