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A051370 a(n+1) = a(n) + sum of digits of a(n)^2. 0
8, 18, 27, 45, 54, 72, 90, 99, 117, 144, 162, 180, 189, 207, 234, 261, 279, 306, 333, 360, 378, 405, 423, 459, 477, 504, 522, 549, 558, 576, 603, 630, 657, 684, 720, 738, 765, 792, 819, 846, 873, 900, 909, 936, 972, 1008, 1026, 1053, 1080, 1098, 1116 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
NestList[#+Total[IntegerDigits[#^2]]&, 8, 50] (* Harvey P. Dale, Aug 13 2015 *)
CROSSREFS
Cf. A033298.
Sequence in context: A110188 A069236 A187101 * A290614 A347640 A347995
KEYWORD
nonn,base,easy,less
AUTHOR
Miklos SZABO (mike(AT)ludens.elte.hu)
STATUS
approved

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Last modified April 20 22:14 EDT 2024. Contains 371848 sequences. (Running on oeis4.)