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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 8 |
| 3 | 31 |
| 4 | 110 |
| 5 | 380 |
| 6 | 1258 |
| 7 | 4145 |
| 8 | 13062 |
| 9 | 40549 |
| 10 | 123177 |
| 11 | 367524 |
| 12 | 1078214 |
| 13 | 3117641 |
| 14 | 8889005 |
| 15 | 25019907 |
| 16 | 69592393 |
| 17 | 191419803 |
| 18 | 521053616 |
| 19 | 1404437257 |
| 20 | 3750615009 |
| 21 | 9928671171 |
| 22 | 26065603448 |
| 23 | 67890853023 |
| 24 | 175503159857 |
| 25 | 450440887668 |
| 26 | 1148173347232 |
| 27 | 2907505610383 |
| 28 | 7316343339760 |
| 29 | 18299391020158 |
| 30 | 45503950232785 |
| 31 | 112518903733379 |
[1,1,8,31,110,380,1258,4145,13062,40549,123177, 367524,1078214,3117641,8889005,25019907,69592393, 191419803,521053616,1404437257,3750615009, 9928671171,26065603448,67890853023,175503159857, 450440887668,1148173347232,2907505610383, 7316343339760,18299391020158,45503950232785, 112518903733379] |