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A040507 as a simple table

na(n)
023
123
246
323
446
523
646
723
846
923
1046
1123
1246
1323
1446
1523
1646
1723
1846
1923
2046
2123
2246
2323
2446
2523
2646
2723
2846
2923
3046
3123
3246
3323
3446
3523
3646
3723
3846
3923
4046
4123
4246
4323
4446
4523
4646
4723
4846
4923
5046
5123
5246
5323
5446
5523
5646
5723
5846
5923
6046
6123
6246

[23,23,46,23,46,23,46,23,46,23,46,23,46,23,46,23,
 46,23,46,23,46,23,46,23,46,23,46,23,46,23,46,23,
 46,23,46,23,46,23,46,23,46,23,46,23,46,23,46,23,
 46,23,46,23,46,23,46,23,46,23,46,23,46,23,46]