OFFSET
1,1
COMMENTS
22011 consists of the run 22, then the run 0 then the run 11.
MATHEMATICA
Map[#[[1]] &, Select[Map[{#, Map[#[[1]] &, Split[IntegerDigits[#, 3]]] == {2, 0, 1}} &, Range[1, 36000, 3]], #[[2]] &]] (* A371056 *)
ToExpression[Map[IntegerString[#, 3] &, %]] (* this sequence *)
(* Peter J. C. Moses, Mar 06 2024 *)
PROG
(Python)
from itertools import count, islice
def A371057_gen(): # generator of terms
return (10**(l-a)*((10**a-1)//9<<1)+((10**b-1)//9) for l in count(3) for a in range(1, l-1) for b in range(1, l-a))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Clark Kimberling, Mar 22 2024
STATUS
approved