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A121291 formatted as a simple table:

n a(n)
1 1
2 5
3 12
4 21
5 31
6 43
7 57
8 73
9 92
10 112
11 135
12 160
13 187
14 215
15 246
16 278
17 318
18 353
19 392
20 432
21 477
22 525
23 576
24 628
25 683
26 739
27 798
28 857
29 920
30 986
31 1055
32 1128
33 1203 

[1,5,12,21,31,43,57,73,92,112,135,160,187,215,246,
 278,318,353,392,432,477,525,576,628,683,739,798,
 857,920,986,1055,1128,1203]

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.

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