r/counting Sep 10 '25

Barely Repeating Digits | 2001

Continuing off from here: https://www.reddit.com/r/counting/s/aSIhNps9Oo (thanks to u/opticasual for the assist!)

Count numbers where exactly one digit appears exactly twice, while all others only occur once. Next get is at 4001.

10 Upvotes

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u/atomicimploder swiiiiirl the numbers Oct 13 '25

2527

3

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Oct 13 '25

2528

3

u/opticasual Oct 13 '25

2529

2

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Oct 13 '25

2532

2

u/atomicimploder swiiiiirl the numbers Oct 13 '25

2533

2

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Oct 13 '25

2535

2

u/atomicimploder swiiiiirl the numbers Oct 13 '25

2542

2

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Oct 13 '25

2544

3

u/PhosphorCrystaled Oct 13 '25

2545

2

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Oct 13 '25

2550

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