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A212656 as a simple table

n a(n)
0 1
1 6
2 21
3 46
4 81
5 126
6 181
7 246
8 321
9 406
10 501
11 606
12 721
13 846
14 981
15 1126
16 1281
17 1446
18 1621
19 1806
20 2001
21 2206
22 2421
23 2646
24 2881
25 3126
26 3381
27 3646
28 3921
29 4206
30 4501
31 4806
32 5121
33 5446
34 5781
35 6126
36 6481
37 6846
38 7221
39 7606
40 8001
41 8406
42 8821
43 9246
44 9681
45 10126
46 10581
47 11046
48 11521
49 12006
50 12501

[1,6,21,46,81,126,181,246,321,406,501,606,721,846,
 981,1126,1281,1446,1621,1806,2001,2206,2421,2646,
 2881,3126,3381,3646,3921,4206,4501,4806,5121,5446,
 5781,6126,6481,6846,7221,7606,8001,8406,8821,9246,
 9681,10126,10581,11046,11521,12006,12501]

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Last modified May 19 12:15 EDT 2024. Contains 372692 sequences. (Running on oeis4.)