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A054334 as a simple table

n a(n)
0 1
1 12
2 77
3 352
4 1287
5 4004
6 11011
7 27456
8 63206
9 136136
10 277134
11 537472
12 999362
13 1790712
14 3105322
15 5230016
16 8580495
17 13748020
18 21559395
19 33153120
20 50075025
21 74397180
22 108864405
23 157073280
24 223689180
25 314707536
26 437766252
27 602516992
28 821063892
29 1108479152

[1,12,77,352,1287,4004,11011,27456,63206,136136,
 277134,537472,999362,1790712,3105322,5230016,
 8580495,13748020,21559395,33153120,50075025,
 74397180,108864405,157073280,223689180,314707536,
 437766252,602516992,821063892,1108479152]

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)