A338494 Least number of pentagonal pyramidal numbers needed to represent n.
1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 6, 2, 3, 4, 5, 6, 7, 1, 2, 3, 4, 5, 6, 2, 3, 4, 5, 6, 7, 3, 4, 5, 6, 7, 8, 2, 3, 4, 5, 1, 2, 3, 4, 5, 6, 2, 3, 4, 5, 6, 7, 3, 4, 3, 4, 5, 6, 2, 3, 4, 5, 6, 7, 3, 4, 5, 6, 7, 8, 4, 5, 4, 5, 6, 1, 2, 3, 4, 5, 2, 2, 3, 4, 5, 6, 3, 3, 4, 5, 5, 6, 4, 2, 3, 4, 5, 6, 3, 3, 4, 5
Offset: 1
Keywords
Links
- Eric Weisstein's World of Mathematics, Pentagonal Pyramidal Number
- Index to sequences related to pyramidal numbers