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A107615 as a simple table

n a(n)
1 1
2 2
3 7
4 18
5 31
6 48
7 71
8 96
9 125
10 158
11 193
12 232
13 273
14 316
15 363
16 416
17 475
18 536
19 599
20 664
21 731
22 802
23 875
24 952
25 1033
26 1116
27 1201
28 1290
29 1383
30 1478
31 1579

[1,2,7,18,31,48,71,96,125,158,193,232,273,316,363,
 416,475,536,599,664,731,802,875,952,1033,1116,
 1201,1290,1383,1478,1579]

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Last modified September 22 03:21 EDT 2020. Contains 337289 sequences. (Running on oeis4.)