A329594 Earliest occurrences of n consecutive primes ending in the same decimal digit, written as triangle T(n,k), 1<=k<=n.

2, 139, 149, 1627, 1637, 1657, 18839, 18859, 18869, 18899, 123229, 123239, 123259, 123269, 123289, 776257, 776267, 776287, 776317, 776327, 776357, 3873011, 3873041, 3873061, 3873071, 3873091, 3873101, 3873151, 23884639, 23884669, 23884699, 23884709, 23884739, 23884759, 23884769, 23884799

Offset

1,1

Comments

The n-th row of the table starts with A054681(n).

Links

Hugo Pfoertner, Table of n, a(n) for n = 1..190, rows 1..19, flattened.

William F. Sindelar, Mark Underwood, Mikael Klasson, Gaps Between Consecutive Odds not Divisible by 3, digest of 5 messages in primenumbers Yahoo group, Jun 27 - Jun 29, 2003. [Cached copy]

Example

The triangle begins:
        2;
      139,     149;
     1627,    1637,    1657;
    18839,   18859,   18869,   18899;
   123229,  123239,  123259,  123269,  123289;
   776257,  776267,  776287,  776317,  776327,  776357;

Crossrefs

Cf. A054681.

Sequence in context: A157072 A051029 A212715 * A084560 A054681 A152509

Adjacent sequences: A329591 A329592 A329593 * A329595 A329596 A329597

Keyword

nonn,base,tabl

Author

Hugo Pfoertner, Nov 17 2019

Status

approved