The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 14 |
| 4 | 21 |
| 5 | 57 |
| 6 | 113 |
| 7 | 226 |
| 8 | 339 |
| 9 | 565 |
| 10 | 1130 |
| 11 | 2147 |
| 12 | 4181 |
| 13 | 8249 |
| 14 | 32763 |
| 15 | 33215 |
| 16 | 99532 |
| 17 | 199064 |
| 18 | 364913 |
| 19 | 995207 |
| 20 | 1725033 |
| 21 | 3450066 |
| 22 | 5175099 |
| 23 | 15160384 |
| 24 | 25510582 |
| 25 | 52746197 |
| 26 | 131002976 |
| 27 | 209259755 |
| 28 | 340262731 |
| 29 | 811528438 |
| 30 | 1963319607 |
| 31 | 3926639214 |
| 32 | 6701487259 |
| 33 | 13402974518 |
| 34 | 20104461777 |
[1,2,7,14,21,57,113,226,339,565,1130,2147,4181, 8249,32763,33215,99532,199064,364913,995207, 1725033,3450066,5175099,15160384,25510582, 52746197,131002976,209259755,340262731,811528438, 1963319607,3926639214,6701487259,13402974518, 20104461777] |