

A334036


a(n) is the least integer that can be expressed as the difference of two heptagonal numbers in exactly n ways.


4



1, 81, 468, 1911, 6237, 11781, 21021, 51051, 81081, 121737, 261261, 318087, 513513, 671517, 1145529, 1072071, 1582581, 1378377, 3216213, 2513511, 4135131, 4700619, 5666661, 11792781, 8729721, 11810799, 15444891, 19270251, 15162147, 24657633, 28945917, 26189163
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,2


COMMENTS

The least integer that can be expressed as the sum of one or more consecutive numbers congruent to 1 mod 5 in exactly n ways.
Index of first occurrence of n in A333817.


LINKS



CROSSREFS



KEYWORD

nonn


AUTHOR



EXTENSIONS



STATUS

approved



