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A005449 as a simple table

n a(n)
0 0
1 2
2 7
3 15
4 26
5 40
6 57
7 77
8 100
9 126
10 155
11 187
12 222
13 260
14 301
15 345
16 392
17 442
18 495
19 551
20 610
21 672
22 737
23 805
24 876
25 950
26 1027
27 1107
28 1190
29 1276
30 1365
31 1457
32 1552
33 1650
34 1751
35 1855
36 1962
37 2072
38 2185
39 2301
40 2420
41 2542
42 2667
43 2795
44 2926
45 3060
46 3197
47 3337
48 3480

[0,2,7,15,26,40,57,77,100,126,155,187,222,260,301,
 345,392,442,495,551,610,672,737,805,876,950,1027,
 1107,1190,1276,1365,1457,1552,1650,1751,1855,1962,
 2072,2185,2301,2420,2542,2667,2795,2926,3060,3197,
 3337,3480]

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Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)