1,1

a(8) <= 8*(10^156-1)/9 - 10^155 = 788...888 (156 digits).

Table of n, a(n) for n=1..7.

Index entries for sequences related to calculator display

4 is represented with 4 segments, so a(1) = 4.

2 is represented by 5 segments, 5 is represented by 5 segments so a(2) = 2.

1 is represented by 2 segments, 2 is by 5, 5 by 5 again, so a(3) = 1.

[...]

1088 is the solution for 7 steps.

Cf. A006942.

Location of first occurrence of n in A328330.

Sequence in context: A135294 A175938 A117016 * A013659 A016505 A304254

Adjacent sequences: A338252 A338253 A338254 * A338256 A338257 A338258

base,nonn,more

Jens Placke, Oct 18 2020

approved