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A067113
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Let N = 0.149162536496481100121... = A001191, the concatenation of the squares. Then a(n) = sum of first n digits of N.
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2
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1, 5, 14, 15, 21, 23, 28, 31, 37, 41, 50, 56, 60, 68, 69, 70, 70, 70, 71, 73, 74, 75, 79, 83, 84, 90, 99, 100, 109, 115, 117, 119, 124, 126, 131, 137, 139, 147, 156, 159, 161, 165, 168, 174, 175, 179, 179, 179, 183, 187, 188, 192, 200, 204, 209, 211, 220, 225, 232
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Charles R Greathouse IV, Home Page [in lieu of email address]
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FORMULA
| a(n) ~ 4.5n (since 0.149162536... = A001191 is 10-normal).
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EXAMPLE
| a(5) = 1+4+9+1+6 = 21.
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CROSSREFS
| Sequence in context: A175485 A174657 A160709 * A101774 A196366 A053782
Adjacent sequences: A067110 A067111 A067112 * A067114 A067115 A067116
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KEYWORD
| base,easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jan 08 2002
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EXTENSIONS
| Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 19 2003
Asymptotic formula from Charles R Greathouse IV, Oct 04 2008
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