A161449 Numbers n such that A160700(n) = 9.

9, 24, 43, 58, 77, 92, 111, 126, 129, 144, 163, 178, 197, 212, 231, 246, 264, 281, 298, 315, 332, 349, 366, 383, 384, 401, 418, 435, 452, 469, 486, 503, 523, 538, 553, 568, 591, 606, 621, 636, 643, 658, 673, 688, 711, 726, 741, 756, 778, 795, 808, 825, 846

Offset

1,1

Links

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

Formula

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

Prog

(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)==9, return(k))) \\ Charles R Greathouse IV, Jan 25 2018

Crossrefs

Cf. A161440, A161441, A161442, A161443, A161444, A161445, A161446, A161447, A161448, A161450, A161451, A161452, A161453, A161454, A161455.

Sequence in context: A320599 A293846 A212462 * A063066 A262044 A362420

Adjacent sequences: A161446 A161447 A161448 * A161450 A161451 A161452

Keyword

nonn,easy

Author

Reinhard Zumkeller, Jun 10 2009

Status

approved