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A334010
a(n) is the least integer that can be expressed as the sum of one or more consecutive nonzero hexagonal numbers in exactly n ways.
6
1, 703, 274550, 11132303325
OFFSET
1,2
EXAMPLE
Let S(k, m) denote the sum of m hexagonal numbers starting from the k-th. We have
a(1) = S(1, 1);
a(2) = S(19, 1) = S(13, 2);
a(3) = S(62, 25) = S(184, 4) = S(25, 51);
a(4) = S(3065, 505) = S(22490, 11) = S(1215, 1430) = S(1938, 946).
KEYWORD
nonn,hard,more,changed
AUTHOR
Ilya Gutkovskiy, Apr 12 2020
EXTENSIONS
a(4) from Giovanni Resta, Apr 13 2020
STATUS
approved