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A276432 as a simple table

na(n)
11
24
310
426
556
6126
7252
8512
9980
101866
113427
126258
1311121
1419618
1533975
1658328
1798732
18165804
19275246
20453544
21740338
221200088
231929897
243083898
254893775
267720826
2712106814
2818883104
2929291740
3045215386
3169451631
32106197524
33161656759
34245050410
35369935066

[1,4,10,26,56,126,252,512,980,1866,3427,6258,
 11121,19618,33975,58328,98732,165804,275246,
 453544,740338,1200088,1929897,3083898,4893775,
 7720826,12106814,18883104,29291740,45215386,
 69451631,106197524,161656759,245050410,369935066]