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A090501
Group the natural numbers as in A090499; sequence gives the number of members in each group.
2
1, 1, 2, 2, 3, 3, 4, 4, 4, 5, 4, 5, 5, 5, 6, 6, 8, 8, 8, 9, 9, 10, 11, 10, 11, 12, 13, 13, 14, 14, 16, 15, 15, 16, 16, 18, 18, 19, 18, 19, 20, 20, 22, 22, 22, 24, 24, 25, 23, 24, 24, 28, 26, 28, 27, 27, 26, 28, 30, 30, 31, 29, 31, 30, 31, 32, 34, 33, 33, 34, 34, 37, 35, 37, 36, 37
OFFSET
1,3
FORMULA
a(n) = A090499(n+1)-A090499(n). - David Wasserman, Dec 08 2005
CROSSREFS
Sequence in context: A048686 A278959 A377108 * A361385 A126848 A232753
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Dec 05 2003
EXTENSIONS
More terms from David Wasserman, Dec 08 2005
STATUS
approved