A338458 Least number of heptagonal pyramidal numbers needed to represent n.
1, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 6, 7, 8, 9, 3, 4, 1, 2, 3, 4, 5, 6, 4, 5, 2, 3, 4, 5, 6, 7, 5, 6, 3, 4, 5, 6, 7, 8, 6, 7, 4, 5, 2, 3, 4, 5, 6, 7, 5, 6, 1, 2, 3, 4, 5, 6, 6, 7, 2, 3, 4, 5, 6, 7, 7, 8, 3, 4, 3, 4, 5, 6, 7, 8, 4, 5, 2, 3, 4, 5, 6, 7, 5, 6, 3, 4, 5, 6, 7, 8, 6, 7
Offset: 1
Keywords
Links
- Eric Weisstein's World of Mathematics, Heptagonal Pyramidal Number
- Index to sequences related to pyramidal numbers