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A233388 Odious numbers that are the sum of 2 consecutive odious numbers. 2
11, 19, 35, 47, 59, 67, 79, 91, 107, 115, 131, 143, 155, 171, 179, 191, 203, 211, 227, 239, 251, 259, 271, 283, 299, 307, 319, 331, 339, 355, 367, 379, 395, 403, 419, 431, 443, 451, 463, 475, 491, 499, 515, 527, 539, 555, 563, 575, 587, 595 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Composites in this sequence: 35, 91, 115, 143, 155, 171, 203, 259, 299, 319, 229, 366, 395, 403, 451, 475, 515, 527, 539, 555, 575, 595,...

(a(n + 1) - a(n))/4 are 2, 4, 3, 3, 2, 3, 3, 4, 2, 4, 3, 3, 4, 2, 3, 3, 2, 4, 3, 3, 2, 3, 3, 4, 2, 3, 3, 2, 4, 3, 3, 4, 2, 4, 3, 3, 2, 3,...

LINKS

Table of n, a(n) for n=1..50.

EXAMPLE

11 is in this sequence because 11 = A000069(6) and 11 = 4 + 7 where 4 = A000069(3) and 7 = A000069(4);

19 is in this sequence because 19 = A000069(10) and 19 = 8 + 11 where 8 = A000069(5) and 11 = A000069(6).

CROSSREFS

Cf. A000069, A227930, A131323, A234431.

Sequence in context: A178150 A214784 A205798 * A248398 A052368 A226542

Adjacent sequences:  A233385 A233386 A233387 * A233389 A233390 A233391

KEYWORD

nonn,easy

AUTHOR

Gerasimov Sergey, Dec 08 2013

STATUS

approved

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Last modified June 20 05:01 EDT 2019. Contains 324229 sequences. (Running on oeis4.)