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A256571 as a simple table

n a(n)
1 1
2 6
3 21
4 56
5 131
6 281
7 556
8 1046
9 1896
10 3346
11 5796
12 9916
13 16806
14 28316
15 47506 

[1,6,21,56,131,281,556,1046,1896,3346,5796,9916,
 16806,28316,47506]

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Last modified June 4 13:10 EDT 2024. Contains 373098 sequences. (Running on oeis4.)