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A176954 as a simple table

na(n)
01
12
21
32
43
59
627
792
8313
91083
103753
1113063
1245581
13159501
14559549
151967878
166937267
1724511653
1886797683
19308003549
201095155727
213901490015
2213924590847
2349784694997
24178293760747
25639543538859
262297555097259
278265957750659

[1,2,1,2,3,9,27,92,313,1083,3753,13063,45581,
 159501,559549,1967878,6937267,24511653,86797683,
 308003549,1095155727,3901490015,13924590847,
 49784694997,178293760747,639543538859,
 2297555097259,8265957750659]