A091989 - OEIS

A091989

Numbers that are binary cyclic right-rotating progressive sum of digits (see A091821) of exactly 1 natural number.

12, 14, 17, 23, 26, 27, 32, 46, 47, 50, 53, 59, 60, 64, 70, 71, 72, 79, 81, 95, 96, 101, 105, 110, 112, 115, 117, 122, 123, 126, 135, 138, 142, 144, 153, 156, 163, 165, 168, 177, 180, 184, 191, 200, 203, 204, 205, 206, 208, 217, 218, 226

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

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

EXAMPLE

A(1) = 12 because all natural numbers smaller than 12 do occur either more than once or not at all in A091821, whereas 12 does occur exactly once.

CROSSREFS

Cf. A091821, A091961.

Sequence in context: A159251 A208156 A135770 * A381501 A078417 A107835

Adjacent sequences: A091986 A091987 A091988 * A091990 A091991 A091992

KEYWORD

base,easy,nonn

AUTHOR

Frank Schwellinger (nummer_eins(AT)web.de), Mar 16 2004

STATUS

approved