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A079827 a(n) = floor[ {n + R(n)}/2], where R(n)= the digit reversal of n (A004086). 1
1, 2, 3, 4, 5, 6, 7, 8, 9, 5, 11, 16, 22, 27, 33, 38, 44, 49, 55, 11, 16, 22, 27, 33, 38, 44, 49, 55, 60, 16, 22, 27, 33, 38, 44, 49, 55, 60, 66, 22, 27, 33, 38, 44, 49, 55, 60, 66, 71, 27, 33, 38, 44, 49, 55, 60, 66, 71, 77, 33, 38, 44, 49, 55, 60, 66, 71, 77, 82, 38, 44, 49, 55 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MAPLE

R:=proc(n) local nn, nnn: nn:=convert(n, base, 10): add(nn[nops(nn)+1-j]*10^(j-1), j=1..nops(nn)) end: a:=n->floor(n/2+R(n)/2): seq(a(n), n=1..85); # R is the Maple program that yields the digit reversal of n (Deutsch)

MATHEMATICA

Do[Print[Floor[(n + FromDigits[Reverse[IntegerDigits[n]]]) / 2]], {n, 1, 50}] (Propper)

CROSSREFS

Cf. A061229.

Sequence in context: A093030 A122425 A074044 * A028901 A081597 A028902

Adjacent sequences:  A079824 A079825 A079826 * A079828 A079829 A079830

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 11 2003

EXTENSIONS

36 more terms from Ryan Propper (rpropper(AT)stanford.edu), Jul 20 2005

More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Aug 06 2005

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Last modified February 15 09:00 EST 2012. Contains 205743 sequences.