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A001701 formatted as a simple table:

n a(n)
1 1
2 6
3 26
4 71
5 155
6 295
7 511
8 826
9 1266
10 1860
11 2640
12 3641
13 4901
14 6461
15 8365
16 10660
17 13396
18 16626
19 20406
20 24795
21 29855
22 35651
23 42251
24 49726
25 58150
26 67600
27 78156

[1,6,26,71,155,295,511,826,1266,1860,2640,3641,
 4901,6461,8365,10660,13396,16626,20406,24795,
 29855,35651,42251,49726,58150,67600,78156]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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