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A067687 as a simple table

na(n)
01
11
22
35
412
529
669
7165
8393
9937
102233
115322
1212683
1330227
1472037
15171680
16409151
17975097
182323870
195538294
2013198973
2131456058
2274966710
23178662171
24425791279
251014754341
262418382956
275763538903
2813735781840
2932735391558
3078015643589

[1,1,2,5,12,29,69,165,393,937,2233,5322,12683,
 30227,72037,171680,409151,975097,2323870,5538294,
 13198973,31456058,74966710,178662171,425791279,
 1014754341,2418382956,5763538903,13735781840,
 32735391558,78015643589]