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A115178 as a simple table

na(n)
01
10
21
31
42
54
67
715
829
961
10126
11266
12566
131212
142619
155685
1612419
1727247
1860049
19132847
20294931
21656877
221467258
233286218
247378240
2516603458
2637441990
2784599854
28191501532
29434224404
30986161959
312243009869
325108859821

[1,0,1,1,2,4,7,15,29,61,126,266,566,1212,2619,
 5685,12419,27247,60049,132847,294931,656877,
 1467258,3286218,7378240,16603458,37441990,
 84599854,191501532,434224404,986161959,2243009869,
 5108859821]