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A002807 as a simple table

na(n)
00
10
20
31
47
537
6197
71172
88018
962814
10556014
115488059
1259740609
13710771275
149174170011
15127661752406
161904975488436
1730341995265036
18513771331467372
199215499383109573
20174548332364311563
213481204991988351553
2272920994844093191553
231600596371590399671784

[0,0,0,1,7,37,197,1172,8018,62814,556014,5488059,
 59740609,710771275,9174170011,127661752406,
 1904975488436,30341995265036,513771331467372,
 9215499383109573,174548332364311563,
 3481204991988351553,72920994844093191553,
 1600596371590399671784]