A353663 - OEIS

A353663

Triangle read by rows: T(n,k) = 1 if n+k is a prime, otherwise T(n,k) = 0; n >= 1, k >= 1.

1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1

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OFFSET

COMMENTS

Row sums see A108954.

LINKS

Table of n, a(n) for n=1..84.

FORMULA

T(n,k) = A057427(A353612(n,k)) = signum(A353612(n,k)).

T(n-k,k) = A010051(n).

EXAMPLE

The triangle begins:

k=1 2 3 4 5 6