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 A079050 Sum of the digits of LookAndSay(n). 0
 2, 3, 4, 5, 6, 7, 8, 9, 10, 3, 3, 5, 6, 7, 8, 9, 10, 11, 12, 4, 5, 4, 7, 8, 9, 10, 11, 12, 13, 5, 6, 7, 5, 9, 10, 11, 12, 13, 14, 6, 7, 8, 9, 6, 11, 12, 13, 14, 15, 7, 8, 9, 10, 11, 7, 13, 14, 15, 16, 8, 9, 10, 11, 12, 13, 8, 15, 16, 17, 9, 10, 11, 12, 13, 14, 15, 9, 17, 18, 10, 11, 12, 13 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE LookAndSay(23) = 1213, the sum of whose digits = 7, so a(23) = 7. MATHEMATICA lookandsay[n_] := Module[{r, d, f, i, l, k}, r = ""; d = IntegerDigits[n]; While[d != {}, f = First[d]; i = 2; l = Length[d]; While[i <= l && d[[i]] == f, i = i + 1]; k = i - 1; r = r <> ToString[k]; r = r <> ToString[f]; d = Drop[d, k]]; ToExpression[r]]; t = Table[Apply[Plus, IntegerDigits[lookandsay[i]]], {i, 1, 100}] CROSSREFS Sequence in context: A043270 A089898 A071785 * A320109 A278062 A254597 Adjacent sequences:  A079047 A079048 A079049 * A079051 A079052 A079053 KEYWORD base,nonn AUTHOR Joseph L. Pe, Feb 02 2003 STATUS approved

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Last modified November 15 03:37 EST 2018. Contains 317225 sequences. (Running on oeis4.)