Triangle in which the n-th row is the (n+1)-th prime mod the first n primes.
1, 1, 2, 1, 1, 2, 1, 2, 1, 4, 1, 1, 3, 6, 2, 1, 2, 2, 3, 6, 4, 1, 1, 4, 5, 8, 6, 2, 1, 2, 3, 2, 1, 10, 6, 4, 1, 2, 4, 1, 7, 3, 12, 10, 6, 1, 1, 1, 3, 9, 5, 14, 12, 8, 2, 1, 1, 2, 2, 4, 11, 3, 18, 14, 8, 6, 1, 2, 1, 6, 8, 2, 7, 3, 18, 12, 10, 4, 1, 1, 3, 1, 10, 4, 9, 5, 20, 14, 12, 6, 2
1
That is, prime(n+1) mod (prime(1)..prime(n)). The first 13 rows are listed above.
T. D. Noe, Plot of 100 rows
T. D. Noe, Table of 100 rows
(Mma) Table[Mod[Prime[n + 1], Prime[Range[n]]], {n, 15}]
Cf. S000853.
nonn,tabl
T. D. Noe, Feb 26 2016