A032975 - OEIS

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A032975

Numbers with the property that all pairs of consecutive base-4 digits differ by 0 or 1.

1, 2, 3, 4, 5, 6, 9, 10, 11, 14, 15, 16, 17, 20, 21, 22, 25, 26, 27, 36, 37, 38, 41, 42, 43, 46, 47, 57, 58, 59, 62, 63, 64, 65, 68, 69, 70, 80, 81, 84, 85, 86, 89, 90, 91, 100, 101, 102, 105, 106, 107, 110, 111, 144, 145, 148, 149, 150, 153

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

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..59.

CROSSREFS

Sequence in context: A349955 A168009 A134697 * A119356 A137582 A116965

Adjacent sequences: A032972 A032973 A032974 * A032976 A032977 A032978

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

STATUS

approved