A161450 Numbers n such that A160700(n) = 10.

10, 27, 40, 57, 78, 95, 108, 125, 130, 147, 160, 177, 198, 215, 228, 245, 267, 282, 297, 312, 335, 350, 365, 380, 387, 402, 417, 432, 455, 470, 485, 500, 520, 537, 554, 571, 588, 605, 622, 639, 640, 657, 674, 691, 708, 725, 742, 759, 777, 792, 811, 826, 845

Offset: 1

Author

Reinhard Zumkeller, Jun 10 2009

Keywords

• nonn
• easy

Links

• Charles R Greathouse IV, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A161440, A161441, A161442, A161443, A161444, A161445, A161446, A161447, A161448, A161449, A161451, A161452, A161453, A161454, A161455.

Programs

PARI

A160700(n)=my(t=n%16); while(n>15, n>>=4; t=bitxor(t, n%16)); t
a(n)=for(k=16*n-16, 16*n-1, if(a(k)==10, return(k))) \\ Charles R Greathouse IV, Jan 25 2018

Formula

16n - 16 <= a(n) <= 16n - 1. - Charles R Greathouse IV, Jan 25 2018