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A371055

Ternary numbers consisting of a run of 1's, then a run of 0's, then a run of 2's.

102, 1002, 1022, 1102, 10002, 10022, 10222, 11002, 11022, 11102, 100002, 100022, 100222, 102222, 110002, 110022, 110222, 111002, 111022, 111102, 1000002, 1000022, 1000222, 1002222, 1022222, 1100002, 1100022, 1100222, 1102222, 1110002, 1110022, 1110222

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..32.

EXAMPLE

10002 consists of a run 1, then a run 000, then a run 2.

MATHEMATICA

Map[#[[1]] &, Select[Map[{#, Map[#[[1]] &, Split[IntegerDigits[#, 3]]] == {1, 0, 2}} &, Range[2, 4000, 3]], #[[2]] &]] (* A370543 *)

ToExpression[Map[IntegerString[#, 3] &, %]] (* this sequence *)

(* Peter J. C. Moses, Mar 06 2024 *)

PROG