OFFSET
0,1
COMMENTS
Row n has 2^n terms.
Row sums = (2, 5, 13, 33, 83, 205, 495,...) = A007443, the binomial transform of the primes.
LINKS
Alois P. Heinz, Rows n = 0..13, flattened
EXAMPLE
The triangle begins:
2;
2, 3;
2, 3, 5, 3;
2, 3, 5, 3, 5, 7, 5, 3;
2, 3, 5, 3, 5, 7, 5, 3, 5, 7, 11, 7, 5, 7, 5, 3;
...
MATHEMATICA
Flatten[NestList[Join[ #, NextPrime[Reverse[ # ]]] &, {2}, 7]] (* Zak Seidov, Aug 24 2009 *)
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Gary W. Adamson, Aug 23 2009
EXTENSIONS
More terms from Zak Seidov, Aug 24 2009
Edited by Zak Seidov and N. J. A. Sloane, Aug 25 2009
Offset 0 from Alois P. Heinz, Oct 31 2023
STATUS
approved