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A122063
a(1) = 17, a(n) = sum of digits of all previous terms.
0
17, 8, 16, 23, 28, 38, 49, 62, 70, 77, 91, 101, 103, 107, 115, 122, 127, 137, 148, 161, 169, 185, 199, 218, 229, 242, 250, 257, 271, 281, 292, 305, 313, 320, 325, 335, 346, 359, 376, 392, 406, 416, 427, 440, 448, 464, 478, 497, 517, 530, 538, 554, 568, 587
OFFSET
1,1
COMMENTS
From a quiz.
REFERENCES
A. Wareham, Test Your Brain Power, Ward Lock Ltd (1995).
MATHEMATICA
s={17}; Do[AppendTo[s, Total[Total/@IntegerDigits/@s]], {n, 53}]; s (* James C. McMahon, Oct 25 2024 *)
CROSSREFS
Cf. A004207.
Sequence in context: A040275 A355237 A033337 * A083308 A113779 A061049
KEYWORD
nonn,base,changed
AUTHOR
Herman Jamke (hermanjamke(AT)fastmail.fm), Sep 14 2006
STATUS
approved