OFFSET
1,2
FORMULA
EXAMPLE
125 is in the sequence because 125 = (1,4,8)_9 = (1,7,5)_8 and 1+4+8 = 1+7+5. 126 is not in the sequence because 126 = (1,5,0)_9 = (1,7,6)_8 but 1+5+0 <> 1+7+6. - R. J. Mathar, Jun 30 2021
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved