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A272960 as a simple table

na(n)
11
21
30
41
59
66
716
866
995
10177
11493
121153
132238
145011
1511642
1625096
1755321
18123997
19273017
20600569
211336351
222963793
236536040
2414463667
2532057919
2670930270
27156916549
28347367018
29768795181
301701248904
313765540655
328334284668

[1,1,0,1,9,6,16,66,95,177,493,1153,2238,5011,
 11642,25096,55321,123997,273017,600569,1336351,
 2963793,6536040,14463667,32057919,70930270,
 156916549,347367018,768795181,1701248904,
 3765540655,8334284668]