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A000978 as a simple table

na(n)
13
25
37
411
513
617
719
823
931
1043
1161
1279
13101
14127
15167
16191
17199
18313
19347
20701
211709
222617
233539
245807
2510501
2610691
2711279
2812391
2914479
3042737
3183339
3295369
33117239
34127031
35138937
36141079
37267017
38269987
39374321
40986191
414031399

[3,5,7,11,13,17,19,23,31,43,61,79,101,127,167,191,
 199,313,347,701,1709,2617,3539,5807,10501,10691,
 11279,12391,14479,42737,83339,95369,117239,127031,
 138937,141079,267017,269987,374321,986191,4031399]