|
Search: id:A026329
|
|
|
| A026329 |
|
a(n) = number of (s(0), s(1), ..., s(n)) such that s(i) is a nonnegative integer and |s(i) - s(i-1)| <= 1 for i = 1,2,...,n, s(0) = 2, s(n) = 6. Also a(n) = T(n,n-4), where T is the array in A026323. |
|
+0
2
|
|
| 1, 5, 21, 77, 266, 882, 2849, 9031, 28236, 87360, 268086, 817362, 2479008, 7486528, 22529250, 67598086, 202325585, 604317021, 1801836652, 5364359966, 15950297370, 47375004170, 140581490790, 416834841150, 1235113792185, 3657632434701
(list; graph; listen)
|
|
|
|
|
Search completed in 0.002 seconds
|
