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A040506 as a simple table

na(n)
023
146
246
346
446
546
646
746
846
946
1046
1146
1246
1346
1446
1546
1646
1746
1846
1946
2046
2146
2246
2346
2446
2546
2646
2746
2846
2946
3046
3146
3246
3346
3446
3546
3646
3746
3846
3946
4046
4146
4246
4346
4446
4546
4646
4746
4846
4946
5046
5146
5246
5346
5446
5546
5646
5746
5846
5946
6046
6146
6246

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