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A259869 as a simple table

na(n)
0-1
10
21
32
48
540
6244
71736
814084
9128176
101292788
1114313272
12172603124
132252192608
1431620422980
15475350915656
167618759828388
17129697180826512
182337145267316500
1944446207287450968
20889595868295057364
2118693361200724345024
22411475140936880082020

[-1,0,1,2,8,40,244,1736,14084,128176,1292788,
 14313272,172603124,2252192608,31620422980,
 475350915656,7618759828388,129697180826512,
 2337145267316500,44446207287450968,
 889595868295057364,18693361200724345024,
 411475140936880082020]