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A259367 as a simple table

na(n)
01
11
21
33
49
521
6161
7911
83473
948329
10406241
112150171
1244216921
13491897693
143327845249
1590934644711
161257256962081
1710352273016081
18353351881109313
195836715156967219
2056621346170765481
212319460179075419941
2244545835926727113441
23497433851743810193983
2423782590451590763744689

[1,1,1,3,9,21,161,911,3473,48329,406241,2150171,
 44216921,491897693,3327845249,90934644711,
 1257256962081,10352273016081,353351881109313,
 5836715156967219,56621346170765481,
 2319460179075419941,44545835926727113441,
 497433851743810193983,23782590451590763744689]