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

A334036

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

Terms

    a(0) =1a(1) =81a(2) =468a(3) =1911a(4) =6237a(5) =11781a(6) =21021a(7) =51051a(8) =81081a(9) =121737a(10) =261261a(11) =318087a(12) =513513a(13) =671517a(14) =1145529a(15) =1072071a(16) =1582581a(17) =1378377a(18) =3216213a(19) =2513511a(20) =4135131a(21) =4700619a(22) =5666661a(23) =11792781a(24) =8729721a(25) =11810799a(26) =15444891a(27) =19270251a(28) =15162147a(29) =24657633

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