OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
a[1] = 2; a[n_] := a[n] = Mod[a[n - 1] + n, Prime[n]]; Table[ a[n], {n, 67}]
nxt[{n_, a_}]:={n+1, Mod[a+n+1, Prime[n+1]]}; NestList[nxt, {1, 2}, 70][[;; , 2]] (* Harvey P. Dale, Jul 19 2023 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Nov 14 2003
EXTENSIONS
More terms from Robert G. Wilson v and Ray Chandler, Nov 15 2003
STATUS
approved