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A284840 as a simple table

n a(n)
0 1
1 5
2 18
3 63
4 224
5 799
6 2846
7 10132
8 36073
9 128438
10 457304
11 1628224
12 5797263
13 20641062
14 73492179
15 261667749
16 931663897
17 3317174627
18 11810748015
19 42051982296
20 149725420655
21 533095002085
22 1898076358760
23 6758070980980
24 24062005289281
25 85672390859855

[1,5,18,63,224,799,2846,10132,36073,128438,457304,
 1628224,5797263,20641062,73492179,261667749,
 931663897,3317174627,11810748015,42051982296,
 149725420655,533095002085,1898076358760,
 6758070980980,24062005289281,85672390859855]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)