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A072441 formatted as a simple table:

n a(n)
0 1
1 3
2 4
3 7
4 9
5 13
6 16
7 20
8 25
9 30
10 36
11 42
12 49
13 56
14 64
15 72
16 81
17 90
18 100
19 110
20 120
21 132
22 143
23 155
24 168
25 181
26 195
27 209
28 224
29 239
30 255
31 271
32 288
33 305
34 323
35 341
36 359
37 379
38 398
39 419
40 439
41 460
42 482
43 504
44 527
45 550
46 574
47 598
48 623
49 648
50 674
51 700
52 727
53 754
54 781
55 810
56 838

[1,3,4,7,9,13,16,20,25,30,36,42,49,56,64,72,81,90,
 100,110,120,132,143,155,168,181,195,209,224,239,
 255,271,288,305,323,341,359,379,398,419,439,460,
 482,504,527,550,574,598,623,648,674,700,727,754,
 781,810,838]

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.


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