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A133766 as a simple table

n a(n)
0 15
1 315
2 1287
3 3315
4 6783
5 12075
6 19575
7 29667
8 42735
9 59163
10 79335
11 103635
12 132447
13 166155
14 205143
15 249795
16 300495
17 357627
18 421575
19 492723
20 571455
21 658155
22 753207
23 856995
24 969903
25 1092315
26 1224615
27 1367187
28 1520415
29 1684683
30 1860375

[15,315,1287,3315,6783,12075,19575,29667,42735,
 59163,79335,103635,132447,166155,205143,249795,
 300495,357627,421575,492723,571455,658155,753207,
 856995,969903,1092315,1224615,1367187,1520415,
 1684683,1860375]

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Last modified November 28 00:12 EST 2021. Contains 349395 sequences. (Running on oeis4.)