OFFSET
0,2
LINKS
Michael De Vlieger, Table of n, a(n) for n = 0..11475 (rows 0 <= n <= 150, flattened)
EXAMPLE
First few rows of the triangle:
1;
2, 2;
4, 2, 3;
8, 4, 2, 4;
16, 8, 4, 2, 5;
32, 16, 8, 4, 2, 6;
64, 32, 16, 8, 4, 2, 7;
...
MATHEMATICA
Array[Append[ConstantArray[1, # - 1], #] + 2^Range[# - 1, 0, -1] - 1 &, 12] // Flatten (* Michael De Vlieger, Aug 19 2021 *)
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jul 18 2007
EXTENSIONS
More terms from Jinyuan Wang, Aug 19 2021
STATUS
approved