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A022948 as a simple table

n a(n)
1 1
2 4
3 9
4 15
5 22
6 30
7 40
8 51
9 63
10 76
11 90
12 106
13 123
14 141
15 160
16 180
17 201
18 224
19 248
20 273
21 299
22 326
23 354
24 383
25 414
26 446
27 479
28 513
29 548
30 584
31 621
32 659
33 698
34 739
35 781
36 824
37 868
38 913
39 959
40 1006
41 1054
42 1103
43 1153
44 1205
45 1258
46 1312
47 1367
48 1423
49 1480

[1,4,9,15,22,30,40,51,63,76,90,106,123,141,160,
 180,201,224,248,273,299,326,354,383,414,446,479,
 513,548,584,621,659,698,739,781,824,868,913,959,
 1006,1054,1103,1153,1205,1258,1312,1367,1423,1480]

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)