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A000097 as a simple table

na(n)
01
12
25
39
417
528
647
773
8114
9170
10253
11365
12525
13738
141033
151422
161948
172634
183545
194721
206259
218227
2210767
2313990
2418105
2523286
2629837
2738028
2848297
2961053
3076926
3196524
32120746
33150487
34187019
35231643
36286152
37352413
38432937
39530383
40648245

[1,2,5,9,17,28,47,73,114,170,253,365,525,738,1033,
 1422,1948,2634,3545,4721,6259,8227,10767,13990,
 18105,23286,29837,38028,48297,61053,76926,96524,
 120746,150487,187019,231643,286152,352413,432937,
 530383,648245]