1,1

Notice the terms with consecutive digits; search for 23456789 to find several related sequences including A006055, A052017 and A052077.

Cf. A071362, A071360, A071361, A007810.

Sequence in context: A054678 A036902 A142204 this_sequence A089394 A068692 A053302

Adjacent sequences: A071360 A071361 A071362 this_sequence A071364 A071365 A071366

base,fini,full,nonn

Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 21 2002