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A001655 as a simple table

na(n)
01
13
215
360
4260
51092
64641
719635
883215
9352440
101493064
116324552
1226791505
13113490195
14480752895
152036500788
168626757644
1736543528780
18154800876945
19655747029795
202777789007071
2111766903040368
2249845401197200
23211148507782800
24894439432403425

[1,3,15,60,260,1092,4641,19635,83215,352440,
 1493064,6324552,26791505,113490195,480752895,
 2036500788,8626757644,36543528780,154800876945,
 655747029795,2777789007071,11766903040368,
 49845401197200,211148507782800,894439432403425]