A232779 - OEIS

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A232779

Sum of iterated logs; a(n) = 0 if n = 0; otherwise n + a(floor(log_2(n))).

1

0, 1, 3, 4, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Table of n, a(n) for n=0..60.

EXAMPLE

a(5) = 5 + a(2) = 5 + 2 + a(1) = 5 + 2 + 1 + a(0) = 8.

CROSSREFS

Sequence in context: A104426 A097044 A198330 * A086986 A346126 A057811

Adjacent sequences: A232776 A232777 A232778 * A232780 A232781 A232782

KEYWORD

nonn

AUTHOR

Jeffrey Shallit, Nov 30 2013

STATUS

approved