This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A357997 #5 Oct 23 2022 23:30:20
%S A357997 1,0,5,10,16,35,66,88,119,166,187,177,161,154,129,81,35,9,1
%N A357997 a(n) is the number of times in the format hh:mm that can be represented in a 7-segment display by using only n segments (version A010371).
%C A357997 Since 8 <= A357971(n) <= 26 the sequence is finite and begins with offset 8.
%H A357997 <a href="/index/Ca#calculatordisplay">Index entries for sequences related to calculator display</a>
%t A357997 a055643[n_]:=FromDigits@ Apply[Join, PadLeft[#, 2] & /@ IntegerDigits@ IntegerDigits[n, 60]]; a010371[n_] := Plus @@ (IntegerDigits@ n /. {0 -> 6, 1 -> 2, 2 -> 5, 3 -> 5, 7 -> 4, 8 -> 7, 9 -> 6}); a[n_]:=a010371[a055643[n]]+6(4-Ceiling[Log10[a055643[n]+1]]); Table[Count[Join[{24},Array[a,1439]],n],{n,8,26}]
%Y A357997 Histogram of A357971.
%Y A357997 Cf. A008588, A010371, A055642, A055643.
%Y A357997 Variants: A357996, A357998, A357999, A358000.
%K A357997 nonn,base,easy,fini,full
%O A357997 8,3
%A A357997 _Stefano Spezia_, Oct 23 2022