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A300998 as a simple table

na(n)
01
10
22
32
44
58
614
728
852
978
10156
11272
12520
13832
141616
152734
165224
178756
1816798
1928192
2054118
2190644
22173876
23292816
24561574
25938748
261802188
273031400
285812998
299734470
3018684588
3131367492
3260172174
33100893834
34193598664
35324824728
36623209036
371045201398
382005438304
393364638978

[1,0,2,2,4,8,14,28,52,78,156,272,520,832,1616,
 2734,5224,8756,16798,28192,54118,90644,173876,
 292816,561574,938748,1802188,3031400,5812998,
 9734470,18684588,31367492,60172174,100893834,
 193598664,324824728,623209036,1045201398,
 2005438304,3364638978]