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A061864 Odd numbers that are the sum of two numbers with the same digits. 0
33, 55, 77, 99, 121, 143, 165, 187, 211, 233, 255, 277, 299, 303, 321, 323, 343, 345, 363, 365, 367, 383, 387, 389, 403, 409, 411, 413, 423, 431, 433, 435, 443, 453, 455, 457, 463, 475, 477, 479, 483, 497, 499, 501, 505, 519, 521, 523, 525, 541, 543, 545 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..51.

EXAMPLE

211 = 101+110

MATHEMATICA

dtn[ L_ ] := Fold[ 10*#1+#2&, 0, L ] f[ n_ ] := Module[ {}, a=IntegerDigits[ n ]; b=Map[ dtn, Select[ Permutations[ a ], First[ # ]>0& ] ] ] g[ n_ ] := Select[ Flatten[ Outer[ Plus, f[ n ], f[ n ] ] ], OddQ ] Union[ Flatten[ Table[ g[ n ], {n, 1, 999} ] ] ]

CROSSREFS

Sequence in context: A229254 A242957 A024628 * A075810 A132288 A242605

Adjacent sequences:  A061861 A061862 A061863 * A061865 A061866 A061867

KEYWORD

base,easy,nonn

AUTHOR

Erich Friedman, Jun 23 2001

STATUS

approved

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Last modified December 5 03:59 EST 2021. Contains 349530 sequences. (Running on oeis4.)