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A089847 as a simple table

na(n)
01
11
22
33
48
524
672
7231
8764
92574
108840
1130796
12108528
13386308
141386756
155014575
1618249120
1766786738
18245642760
19907513530
203366215688
2112531502620
2246805032560
23175341580596
24658674458208
252480584898700
269363748625972

[1,1,2,3,8,24,72,231,764,2574,8840,30796,108528,
 386308,1386756,5014575,18249120,66786738,
 245642760,907513530,3366215688,12531502620,
 46805032560,175341580596,658674458208,
 2480584898700,9363748625972]