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A063004 as a simple table

na(n)
00
11
25
31
411
549
617
7115
8473
9217
101163
11139
122465
1311491
143299
1526281
16111611
1746075
18269297
197153
20545747
212685817
22588665
235960299
2426269505
259492289
2662031299
27253202761
28118985033
29625390555
3088519643
311339300753

[0,1,5,1,11,49,17,115,473,217,1163,139,2465,11491,
 3299,26281,111611,46075,269297,7153,545747,
 2685817,588665,5960299,26269505,9492289,62031299,
 253202761,118985033,625390555,88519643,1339300753]