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A144521 as a simple table

n a(n)
1 0
2 20
3 56
4 84
5 165
6 220
7 364
8 455
9 680
10 816
11 1140
12 1330
13 1771
14 2024
15 2300
16 3654
17 4060
18 4960
19 5456
20 7770
21 8436
22 9139
23 10660
24 11480
25 13244
26 14190
27 16215
28 17296
29 18424
30 23426
31 24804
32 26235
33 32509
34 34220
35 37820
36 39711
37 47905
38 50116
39 52394
40 57155

[0,20,56,84,165,220,364,455,680,816,1140,1330,
 1771,2024,2300,3654,4060,4960,5456,7770,8436,9139,
 10660,11480,13244,14190,16215,17296,18424,23426,
 24804,26235,32509,34220,37820,39711,47905,50116,
 52394,57155]

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)