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 A037911 Number of i such that |d(i) - d(i-1)| = 1, where Sum_{i=0..m} d(i)*8^i is the base-8 representation of n. 8
 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 2, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 2, 1, 2, 1, 1, 1, 1, 0, 0, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,65 LINKS Iain Fox, Table of n, a(n) for n = 1..10000 PROG (PARI) a(n) = my(c); for(i=2, #n=digits(n, 8), if(abs(n[i]-n[i-1])==1, c++)); c \\ Iain Fox, Oct 28 2018 CROSSREFS In base b: A037906 (b=3), A037907 (b=4), A037908 (b=5), A037909 (b=6), A037910 (b=7), A037912 (b=9), A037913 (b=10). Sequence in context: A025920 A037821 A316863 * A176046 A172090 A037912 Adjacent sequences:  A037908 A037909 A037910 * A037912 A037913 A037914 KEYWORD nonn,base AUTHOR STATUS approved

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Last modified June 7 02:48 EDT 2020. Contains 334836 sequences. (Running on oeis4.)