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A234648 Even sums of 2 consecutive odious numbers (A000069). 1
6, 24, 30, 40, 54, 72, 86, 96, 102, 120, 126, 136, 150, 160, 166, 184, 198, 216, 222, 232, 246, 264, 278, 288, 294, 312, 326, 344, 350, 360, 374, 384, 390, 408, 414, 424, 438, 456, 470, 480, 486, 504, 510, 520, 534, 544, 550, 568, 582, 600, 606, 616, 630 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
All the terms in this sequence are evil numbers (A001969).
LINKS
FORMULA
a(n) = A234011(A036554(n)) = A225822(n) + (-1)^n.
MATHEMATICA
odQ[n_] := OddQ @ DigitCount[n, 2, 1]; Select[Plus @@@ Partition[Select[ Range[320], odQ], 2, 1], EvenQ] (* Amiram Eldar, Aug 31 2020 *)
CROSSREFS
Intersection of A005843 and A234011.
Sequence in context: A335197 A364053 A306983 * A110926 A131906 A185210
KEYWORD
nonn,base
AUTHOR
Gerasimov Sergey, Dec 29 2013
STATUS
approved

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Last modified June 13 15:42 EDT 2024. Contains 373389 sequences. (Running on oeis4.)