OFFSET
0,5
COMMENTS
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..1000
MATHEMATICA
R[n_]:=FromDigits[Reverse[IntegerDigits[n]]]; Clear[a]; a[0]=0; a[1]=0; a[2]=1; a [n_]:=a[n]=a[n-1]+R[a[n-2]]+a[n-3]; Table[a[n], {n, 0, 40}]
nxt[{a_, b_, c_}]:={b, c, a+FromDigits[Reverse[IntegerDigits[b]]]+c}; Transpose[ NestList[nxt, {0, 0, 1}, 40]][[1]] (* Harvey P. Dale, Jul 29 2013 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Jonathan Vos Post and Ray Chandler, Dec 30 2004
STATUS
approved