A358000 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 A277116).

1, 2, 4, 16, 25, 39, 82, 106, 126, 170, 190, 169, 154, 146, 111, 65, 26, 7, 1

Offset: 8

Author

Stefano Spezia, Oct 23 2022

Keywords

• nonn
• base
• easy
• fini
• full

Comments

Since 8 <= A357974(n) <= 26 the sequence is finite and begins with offset 8.

Links

• Index entries for sequences related to calculator display

Crossrefs

Histogram of A357974.

Cf. A008588, A055642, A055643, A277116.

Variants: A357996, A357997, A357998, A357999.

Programs

Mathematica

a055643[n_]:=FromDigits@ Apply[Join, PadLeft[#, 2] & /@ IntegerDigits@ IntegerDigits[n, 60]]; a277116[n_] := Plus @@ (IntegerDigits@ n /. {0 -> 6, 1 -> 2, 2 -> 5, 3 -> 5, 7 -> 3, 8 -> 7, 9 -> 5}); a[n_]:=a277116[a055643[n]]+6(4-Ceiling[Log10[a055643[n]+1]]);Table[Count[Join[{24},Array[a,1439]],n],{n,8,26}]