OFFSET
1,5
COMMENTS
The columns give 1^n-0, 2^n-1, 3^n-2, 4^n-3, 5^n-4, etc.
The main diagonal gives A006091, which is a sequence related to the famous "coconuts" problem.
LINKS
M. B. Richardson, A Needlessly Complicated and Unhelpful Solution to Ben Ames Williams' Coconuts Problem, The Winnower, 3 (2016), e147175.52128. doi: 10.15200/winn.147175.52128
EXAMPLE
Array begins:
1, 1, 1, 1, 1, 1, 1, 1, 1, 1
1, 3, 7, 13, 21, 31, 43, 57, 73
1, 7, 25, 61, 121, 211, 337, 505
1, 15, 79, 253, 621, 1291, 2395
1, 31, 241, 1021, 3121, 7771
1, 63, 727, 4093, 15621
1, 127, 2185, 16381
1, 255, 6559
1, 511
1
MATHEMATICA
Table[k^# - k + 1 &[n - k + 1], {n, 11}, {k, n}] // Flatten (* Michael De Vlieger, Nov 16 2016 *)
CROSSREFS
KEYWORD
AUTHOR
Omar E. Pol, Aug 21 2011
STATUS
approved