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A209974 as a simple table

na(n)
00
10
23
35
49
513
619
725
833
939
1051
1161
1269
1381
1499
15107
16123
17139
18157
19175
20191
21203
22233
23255
24271
25291
26327
27345
28369
29397
30421
31451
32483
33503
34551
35575
36599
37635
38689
39713
40745
41785
42821
43863
44903
45927
46993
471039
481071
491113
501173

[0,0,3,5,9,13,19,25,33,39,51,61,69,81,99,107,123,
 139,157,175,191,203,233,255,271,291,327,345,369,
 397,421,451,483,503,551,575,599,635,689,713,745,
 785,821,863,903,927,993,1039,1071,1113,1173]