A108787 - OEIS

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A108787

Binary numbers such that the first differences give the same sequence written as a string of individual digits.

1, 10, 11, 11, 100, 101, 110, 111, 1000, 1000, 1000, 1001, 1001, 1010, 1011, 1100, 1100, 1101, 1110, 1111, 10000, 10000, 10000, 10000, 10001, 10001, 10001, 10001, 10010, 10010, 10010, 10010, 10011, 10011, 10011, 10100, 10101, 10101

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

OFFSET

1,2

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000

EXAMPLE

1, 10, 11, 11, 100, 101, 110, 111, 1000, 1000, 1001, 1001, ... <- sequence (base 2)

..1..1..0..1..1..1..1..1..0..0..1..0... <- first difference are the sequence's digits.

MAPLE

A[1]:= 1: B:= 1: S:= "1":

for n from 2 to 100 do

B:= B + parse(S[n-1]);