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A110234
Number of consecutive integers starting with n needed to sum to a perfect power.
2
8, 3, 5, 1, 9, 11, 13, 1, 1, 19, 3, 2, 2, 27, 29, 1, 33, 5, 37, 9, 8, 43, 5, 2, 1, 3, 1, 25, 57, 59, 61, 1, 65, 67, 6, 1, 8, 6, 11, 2, 81, 83, 5, 87, 9, 7, 3, 95, 1, 22, 27, 18, 15, 107, 16, 81, 8, 10, 117, 2, 121, 2, 125, 1, 129, 131, 19, 27, 25, 139, 3, 26, 145, 3, 149, 18, 9, 5, 157, 3
OFFSET
1,1
EXAMPLE
a(5)=9 because 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12 + 13 = 81 = 3^4, 9 consecutive integers are needed.
CROSSREFS
Sequence in context: A199440 A199293 A357108 * A334073 A196654 A019728
KEYWORD
easy,nonn
AUTHOR
Jason Earls, Jul 17 2005
STATUS
approved