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A276726 as a simple table

na(n)
01
11
22
35
415
552
6203
7877
84140
921147
10115975
11562595
122504665
1310579224
1443453459
15176472854
16716369167
172927448727
1812099445274
1950734619570
20216264854789
21928045216933
223986352066095
2317086933963355
2472987960721209
25310631150855373
261317808552742134

[1,1,2,5,15,52,203,877,4140,21147,115975,562595,
 2504665,10579224,43453459,176472854,716369167,
 2927448727,12099445274,50734619570,216264854789,
 928045216933,3986352066095,17086933963355,
 72987960721209,310631150855373,1317808552742134]