Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 5c9f6f52e73f87000c1548f8

Triangular Numbers

Generate the first 50 triangular numbers.

Start file
0
End file
0 1 3 6 10 15 21 28 36 45 55 66 78 91 105 120 136 153 171 190 210 231 253 276 300 325 351 378 406 435 465 496 528 561 595 630 666 703 741 780 820 861 903 946 990 1035 1081 1128 1176 1225

View Diff

1c1
< 0
---
> 0 1 3 6 10 15 21 28 36 45 55 66 78 91 105 120 136 153 171 190 210 231 253 276 300 325 351 378 406 435 465 496 528 561 595 630 666 703 741 780 820 861 903 946 990 1035 1081 1128 1176 1225

Solutions by @JeanGeo20504212:

Unlock 7 remaining solutions by signing in and submitting your own entry
Created by: @dstein64

26 active golfers, 90 entries

Solutions by @JeanGeo20504212:
21
#18 - Jean George / @JeanGeo20504212

09/27/2021 at 04:30PM

22
#>22 - Jean George / @JeanGeo20504212

09/27/2021 at 04:27PM

29
#>23 - Jean George / @JeanGeo20504212

09/27/2021 at 03:53PM

35
#>24 - Jean George / @JeanGeo20504212

09/26/2021 at 08:08PM

36
#>24 - Jean George / @JeanGeo20504212

09/26/2021 at 08:28PM

39
#>24 - Jean George / @JeanGeo20504212

09/26/2021 at 09:23PM

41
#>24 - Jean George / @JeanGeo20504212

09/27/2021 at 01:32PM