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A000359 as a simple table

na(n)
11
25
340
4440
56170
6105315
72120610
849242470
91296133195
1038152216495
111242274374380
1244345089721923
131722416374173854
1472330102999829054
153265871028909088036
16157797437377747327987
178124524883679977475839
18444098724261935142753430

[1,5,40,440,6170,105315,2120610,49242470,
 1296133195,38152216495,1242274374380,
 44345089721923,1722416374173854,72330102999829054,
 3265871028909088036,157797437377747327987,
 8124524883679977475839,444098724261935142753430]