A249867 Number of days between prime dates in a non-leap year; starting with Feb 2 and ending with Feb 2 in the following year.

1, 2, 2, 4, 2, 4, 2, 4, 7, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 32, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 32, 1, 2, 2, 4, 2, 4, 2, 4, 6, 2, 94, 1, 2, 2, 4, 2, 4, 2, 4, 6, 65

Offset: 1

Author

Wolfdieter Lang, Nov 23 2014

Keywords

• nonn
• fini
• full

Comments

A prime date means that the number of the day of the month and the number for the month are both prime.

The 52 prime dates in a non-leap year are:

Feb 2, 3, 5, 7, 11, 13, 17, 19, 23,

Mar 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31,

May 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31,

Jul 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31,

Nov 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

There are 52 entries in this sequence because the 65 days between Nov 29 and Feb 2 in the following year have also been taken into account.

Crossrefs

Cf. A249868.