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 A357999 #5 Oct 23 2022 23:30:45
%S A357999 1,0,5,12,14,41,74,87,128,185,185,162,167,159,119,67,26,7,1
%N A357999 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 A074458).
%C A357999 Since 8 <= A357973(n) <= 26 the sequence is finite and begins with offset 8.
%H A357999 <a href="/index/Ca#calculatordisplay">Index entries for sequences related to calculator display</a>
%t A357999 a055643[n_]:=FromDigits@ Apply[Join, PadLeft[#, 2] & /@ IntegerDigits@ IntegerDigits[n, 60]]; a074458[n_] := Plus @@ (IntegerDigits@ n /. {0 -> 6, 1 -> 2, 2 -> 5, 3 -> 5, 7 -> 4, 8 -> 7, 9 -> 5}); a[n_]:=a074458[a055643[n]]+6(4-Ceiling[Log10[a055643[n]+1]]);Table[Count[Join[{24},Array[a,1439]],n],{n,8,26}]
%Y A357999 Histogram of A357973.
%Y A357999 Cf. A008588, A055642, A055643, A074458.
%Y A357999 Variants: A357996, A357997, A357998, A358000.
%K A357999 nonn,base,easy,fini,full
%O A357999 8,3
%A A357999 _Stefano Spezia_, Oct 23 2022