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A085191
First differences of A071156.
2
1, 2, 2, 4, 2, 4, 2, 6, 10, 2, 4, 2, 6, 10, 2, 4, 2, 6, 16, 2, 6, 24, 34, 2, 4, 2, 6, 10, 2, 4, 2, 6, 16, 2, 6, 24, 34, 2, 4, 2, 6, 10, 2, 4, 2, 6, 16, 2, 6, 24, 58, 2, 4, 2, 6, 16, 2, 6, 24, 88, 2, 6, 24, 120, 154, 2, 4, 2, 6, 10, 2, 4, 2, 6, 16, 2, 6, 24, 34, 2, 4, 2, 6, 10, 2, 4, 2, 6, 16, 2, 6
OFFSET
0,2
FORMULA
a(n) = A071156(n+1) - A071156(n).
CROSSREFS
Repeating part: A085190.
Sequence in context: A124315 A101113 A055155 * A188581 A347958 A318316
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 14 2003
STATUS
approved