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A103505 as a simple table

na(n)
01
11
22
36
412
520
630
742
856
972
1090
11110
12132
13156
14182
15210
16240
17272
18306
19342
20380
21420
22462
23506
24552
25600
26650
27702
28756
29812
30870
31930
32992
331056
341122
351190
361260
371332
381406
391482
401560
411640
421722
431806
441892
451980
462070
472162
482256
492352
502450

[1,1,2,6,12,20,30,42,56,72,90,110,132,156,182,210,
 240,272,306,342,380,420,462,506,552,600,650,702,
 756,812,870,930,992,1056,1122,1190,1260,1332,1406,
 1482,1560,1640,1722,1806,1892,1980,2070,2162,2256,
 2352,2450]