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A125352 as a simple table

na(n)
01
115
2115
3735
45435
540965
6315991
72469909
819495747
9154956453
101237813755
119923510469
1279762415747
13642295225197
145178982417003
1541798669030805
16337575342572995
172727627544083901
1822046802610388635
19178241899736229829

[1,15,115,735,5435,40965,315991,2469909,19495747,
 154956453,1237813755,9923510469,79762415747,
 642295225197,5178982417003,41798669030805,
 337575342572995,2727627544083901,
 22046802610388635,178241899736229829]