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A334037
a(n) is the least integer that can be expressed as the difference of two octagonal numbers in exactly n ways.
5
1, 133, 560, 1729, 4160, 10640, 14560, 22400, 44800, 58240, 138320, 98560, 123200, 203840, 246400, 394240, 320320, 492800, 800800, 640640, 1047200, 1823360, 1724800, 1281280, 2094400, 1601600, 2475200, 2722720, 4484480, 3203200, 5532800, 6697600, 5445440, 7958720
OFFSET
1,2
COMMENTS
The least integer that can be expressed as the sum of one or more consecutive numbers congruent to 1 mod 6 in exactly n ways.
Index of first occurrence of n in A333818.
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Apr 12 2020
EXTENSIONS
More terms from Jinyuan Wang, Apr 13 2020
STATUS
approved