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 A081261 Start with a(1)=4; apply 4 -> 665, 5 -> 56665, 6 -> 566665; iterate. 0
 4, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 5, 5, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 5, 5, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 5, 5, 6, 6, 6, 5, 5, 6, 6, 6, 6, 5, 5, 6, 6, 6, 6 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n)= A081260(n) - A081260(n-1) (taking A081260(0) as equal to 0). Sum of first n terms = A081260(n). LINKS EXAMPLE 4 -> 665 -> 56666556666556665 -> ... CROSSREFS Cf. A079000, A079948. Sequence in context: A146208 A011227 A155907 * A251738 A249022 A270541 Adjacent sequences:  A081258 A081259 A081260 * A081262 A081263 A081264 KEYWORD easy,nonn AUTHOR Matthew Vandermast, Mar 14 2003 STATUS approved

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Last modified February 27 03:50 EST 2020. Contains 332299 sequences. (Running on oeis4.)