A186299 (A007521(n)-1)/2.

2, 6, 14, 18, 26, 30, 50, 54, 74, 78, 86, 90, 98, 114, 134, 138, 146, 158, 174, 186, 194, 198, 210, 230, 254, 270, 278, 306, 326, 330, 338, 350, 354, 366, 378, 386, 398, 410, 414, 426, 438, 470, 498, 506, 510, 530, 534, 546, 554, 558, 590, 606

Offset

1,1

Links

Table of n, a(n) for n=1..52.

Formula

a(n) = A186300(n)-1.

Crossrefs

Sequence in context: A196445 A280082 A139269 * A163777 A215807 A373437

Adjacent sequences: A186296 A186297 A186298 * A186300 A186301 A186302

Keyword

nonn

Author

Marco Matosic, Feb 17 2011

Status

approved