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A334034
a(n) is the least integer that can be expressed as the difference of two pentagonal numbers in exactly n ways.
5
1, 22, 70, 715, 1330, 4025, 6370, 14014, 17290, 25025, 45815, 73150, 121030, 95095, 85085, 256025, 350350, 432250, 1179178, 425425, 575575, 734825, 950950, 1926925, 3751930, 2187185, 1616615, 1956955, 3148145, 3658655, 4029025, 2977975, 4352425, 6656650, 13918450
OFFSET
1,2
COMMENTS
The least integer that can be expressed as the sum of one or more consecutive numbers congruent to 1 mod 3 in exactly n ways.
Index of first occurrence of n in A333815.
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Apr 12 2020
EXTENSIONS
More terms from Jinyuan Wang, Apr 13 2020
STATUS
approved