A234648 Even sums of 2 consecutive odious numbers (A000069).

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

Offset

1,1

Comments

All the terms in this sequence are evil numbers (A001969).

Links

Amiram Eldar, Table of n, a(n) for n = 1..10000

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.

Cf. A000069, A001969, A036554, A131323, A225822.

Sequence in context: A335197 A364053 A306983 * A110926 A131906 A185210

Adjacent sequences: A234645 A234646 A234647 * A234649 A234650 A234651

Keyword

nonn,base

Author

Gerasimov Sergey, Dec 29 2013

Status

approved