A359843 Array listed by antidiagonals: row m is the numbers k such that prime(i)+k is prime for i from m to j where prime(j+1) = A360228(m).

0, 1, 0, 3, 2, 0, 5, 8, 6, 0, 9, 14, 96, 90, 0, 11, 26, 1476, 16050

Offset

1,4

Comments

Each row starts with 0.

Links

Table of n, a(n) for n=1..19.

Example

Array begins:
  0,  1,     3,     5,     9,      11,      15,      17,      21,      27, ...
  0,  2,     8,    14,    26,      38,      56,      68,      98,     104, ...
  0,  6,    96,  1476, 16056,   19416,   21006,   22266,   43776,   55326, ...
  0, 90, 16050, 19410, 43770, 1091250, 1615830, 1954350, 2822700, 2839920, ...

Crossrefs

Row 1 is A040976.

Row 2 is A001359 - 3.

Row 3 is A022006 - 5.

Row 4 is A022008 - 7.

Sequence in context: A086800 A326296 A246773 * A364361 A338022 A253176

Adjacent sequences: A359840 A359841 A359842 * A359844 A359845 A359846

Keyword

nonn,more,hard

Author

Robert Israel, Jan 30 2023

Status

approved