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A149478 as a simple table

n a(n)
0 1
1 1
2 4
3 13
4 57
5 223
6 1028
7 4392
8 20801
9 93192
10 448388
11 2068395
12 10052266
13 47272935
14 231307163
15 1102408601
16 5419992341
17 26082078971
18 128680642305
19 623701125067
20 3085177756781
21 15035715248503
22 74523449457592
23 364745828732076
24 1810638694267339
25 8891946466493735
26 44194574931517811
27 217627063614150518

[1,1,4,13,57,223,1028,4392,20801,93192,448388,
 2068395,10052266,47272935,231307163,1102408601,
 5419992341,26082078971,128680642305,623701125067,
 3085177756781,15035715248503,74523449457592,
 364745828732076,1810638694267339,8891946466493735,
 44194574931517811,217627063614150518]

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Last modified May 18 08:45 EDT 2024. Contains 372618 sequences. (Running on oeis4.)