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A227099 as a simple table

n a(n)
1 4
2 15
3 48
4 136
5 341
6 771
7 1606
8 3133
9 5789
10 10214
11 17315
12 28342
13 44977
14 69437
15 104592
16 154099
17 222553
18 315656
19 440405
20 605300
21 820573
22 1098439
23 1453370
24 1902393
25 2465413
26 3165562
27 4029575
28 5088194
29 6376601
30 7934881
31 9808516
32 12048911

[4,15,48,136,341,771,1606,3133,5789,10214,17315,
 28342,44977,69437,104592,154099,222553,315656,
 440405,605300,820573,1098439,1453370,1902393,
 2465413,3165562,4029575,5088194,6376601,7934881,
 9808516,12048911]

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Last modified January 26 13:09 EST 2022. Contains 350598 sequences. (Running on oeis4.)