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A013987 as a simple table

na(n)
01
10
21
31
42
53
65
78
813
921
1034
1154
1288
13141
14228
15367
16592
17954
181538
192479
203996
216441
2210383
2316736
2426978
2543486
2670097
27112991
28182134
29293587
30473242
31762833
321229634
331982084
343194982
355150088
368301584
3713381575
3821570168
3934769609
4056046190

[1,0,1,1,2,3,5,8,13,21,34,54,88,141,228,367,592,
 954,1538,2479,3996,6441,10383,16736,26978,43486,
 70097,112991,182134,293587,473242,762833,1229634,
 1982084,3194982,5150088,8301584,13381575,21570168,
 34769609,56046190]