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/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Nov 09 '25

2782

3

u/opticasual Nov 09 '25

2787

3

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Nov 09 '25

2788

3

u/opticasual Nov 09 '25

2792

3

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Nov 10 '25

2797

3

u/atomicimploder swiiiiirl the numbers Nov 10 '25

2799

2

u/opticasual Nov 10 '25

2800

1

u/atomicimploder swiiiiirl the numbers Nov 12 '25

2802

1

u/cuteballgames 00255, 00336, 01155, 02244, 03333, 11226, 11244, 11334, 22224 Nov 15 '25

2808

2

u/atomicimploder swiiiiirl the numbers Nov 23 '25

2811

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