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A008498 as a simple table

n a(n)
0 1
1 6
2 21
3 56
4 126
5 251
6 456
7 771
8 1231
9 1876
10 2751
11 3906
12 5396
13 7281
14 9626
15 12501
16 15981
17 20146
18 25081
19 30876
20 37626
21 45431
22 54396
23 64631
24 76251
25 89376
26 104131
27 120646
28 139056
29 159501
30 182126

[1,6,21,56,126,251,456,771,1231,1876,2751,3906,
 5396,7281,9626,12501,15981,20146,25081,30876,
 37626,45431,54396,64631,76251,89376,104131,120646,
 139056,159501,182126]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)