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A255836 as a simple table

n a(n)
0 1
1 4
2 13
3 42
4 117
5 310
6 785
7 1896
8 4433
9 10062
10 22248
11 48080
12 101821
13 211682
14 432795
15 871520
16 1730491
17 3391894
18 6568996
19 12580316
20 23841774
21 44742634
22 83193865
23 153347110
24 280336704
25 508499474
26 915540681
27 1636805438
28 2906642396
29 5128530946
30 8993376689

[1,4,13,42,117,310,785,1896,4433,10062,22248,
 48080,101821,211682,432795,871520,1730491,3391894,
 6568996,12580316,23841774,44742634,83193865,
 153347110,280336704,508499474,915540681,
 1636805438,2906642396,5128530946,8993376689]

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Last modified May 1 17:43 EDT 2024. Contains 372175 sequences. (Running on oeis4.)