A327919 The 17 pure prime dates of each leap year of the form concatenate(month,day) with month and day also prime numbers.

23, 211, 223, 229, 37, 311, 313, 317, 331, 53, 523, 73, 719, 113, 1117, 1123, 1129

Offset

1,1

Comments

For the non-leap case see A327918.

The months m = 2, 3, 5, 7, 11 contribute 4, 5, 2, 2, 4 days, respectively, adding to 17.

Links

Table of n, a(n) for n=1..17.

Crossrefs

Cf. A165243 (first four terms), A165292 (first five terms), A165555 (first two terms), A167187 (first two terms), A327349 (m and d nonprime allowed), A327915 (with 0 before d = 1..9), A327918 (non-leap year case), A327920 (pure prime dates of d.m form).

Sequence in context: A084428 A322287 A327918 * A165243 A142374 A171342

Adjacent sequences: A327916 A327917 A327918 * A327920 A327921 A327922

Keyword

nonn,easy,fini,full

Author

Wolfdieter Lang, Oct 08 2019

Status

approved