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A031264
Length of n-th run of digit 4 in A031253.
0
1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 2, 1, 1, 1, 1, 3, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1
OFFSET
1,2
CROSSREFS
Sequence in context: A132126 A324882 A345047 * A345045 A318809 A304118
KEYWORD
nonn,base
EXTENSIONS
a(79) corrected by Sean A. Irvine, Apr 20 2020
STATUS
approved