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A228887 as a simple table

n a(n)
1 4
2 35
3 120
4 286
5 560
6 969
7 1540
8 2300
9 3276
10 4495
11 5984
12 7770
13 9880
14 12341
15 15180
16 18424
17 22100
18 26235
19 30856
20 35990
21 41664
22 47905
23 54740
24 62196
25 70300
26 79079
27 88560
28 98770
29 109736
30 121485
31 134044
32 147440
33 161700
34 176851
35 192920
36 209934
37 227920
38 246905

[4,35,120,286,560,969,1540,2300,3276,4495,5984,
 7770,9880,12341,15180,18424,22100,26235,30856,
 35990,41664,47905,54740,62196,70300,79079,88560,
 98770,109736,121485,134044,147440,161700,176851,
 192920,209934,227920,246905]

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Last modified May 3 17:26 EDT 2024. Contains 372222 sequences. (Running on oeis4.)