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A220148 as a simple table

n a(n)
1 6
2 23
3 77
4 242
5 727
6 2062
7 5493
8 13773
9 32664
10 73654
11 158660
12 327852
13 652215
14 1253089
15 2331716
16 4212805
17 7407330
18 12701233
19 21278447
20 34888718
21 56073127
22 88463032
23 137171407
24 209299293
25 314584340
26 466223256
27 681905438
28 985101192

[6,23,77,242,727,2062,5493,13773,32664,73654,
 158660,327852,652215,1253089,2331716,4212805,
 7407330,12701233,21278447,34888718,56073127,
 88463032,137171407,209299293,314584340,466223256,
 681905438,985101192]

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Last modified September 26 17:49 EDT 2023. Contains 365666 sequences. (Running on oeis4.)