A039560 Numbers whose base-4 representation has the same number of 0's, 1's and 3's.

2, 10, 19, 28, 42, 49, 52, 75, 78, 99, 108, 114, 120, 135, 141, 147, 156, 170, 177, 180, 198, 201, 210, 216, 225, 228, 299, 302, 314, 395, 398, 419, 428, 434, 440, 458, 482, 488, 539, 542, 551, 557, 566, 569, 587, 590, 611, 620, 626, 632, 647, 653, 659, 668

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Crossrefs

Cf. A007090.

Sequence in context: A085936 A226179 A030570 * A299577 A259096 A317859

Adjacent sequences: A039557 A039558 A039559 * A039561 A039562 A039563

Keyword

nonn,base,easy

Author

Olivier Gérard

Status

approved