Lambert Klasen wrote: > anyone ever computed A019294(461) ? >> Let me try it... >> A019294(461) = 574. Well, maybe you shouldn't let me try it. I stupidly started with 9,13,14,24,... until a multiple of 461. <:-( Actually, A019294(461)=557 (if you start 461,462,1152,...). -- Don Reble djr at nk.ca