OFFSET
0,3
MATHEMATICA
Accumulate[Total[IntegerDigits[#]]&/@Select[Range[0, 80], !PrimeQ[#]&]] (* Harvey P. Dale, Mar 29 2018 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Armand Turpel armandt(AT)unforgettable.com
STATUS
approved