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A187428 as a simple table

n a(n)
0 1
1 4
2 14
3 37
4 93
5 210
6 454
7 925
8 1824
9 3463
10 6408
11 11538
12 20353
13 35161
14 59726
15 99775
16 164337
17 266978
18 428521
19 679861
20 1067415
21 1659205
22 2555617
23 3902055
24 5909867
25 8881849
26 13252334
27 19637281
28 28909989
29 42297267
30 61520450
31 88976461
32 127996994

[1,4,14,37,93,210,454,925,1824,3463,6408,11538,
 20353,35161,59726,99775,164337,266978,428521,
 679861,1067415,1659205,2555617,3902055,5909867,
 8881849,13252334,19637281,28909989,42297267,
 61520450,88976461,127996994]

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Last modified August 3 06:43 EDT 2021. Contains 346435 sequences. (Running on oeis4.)