A133276 Triangle read by rows: row n gives the first arithmetic progression of n primes with minimal distance, cf. A033188.

2, 2, 3, 3, 5, 7, 5, 11, 17, 23, 5, 11, 17, 23, 29, 7, 37, 67, 97, 127, 157, 7, 157, 307, 457, 607, 757, 907, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 1879, 199, 409, 619, 829, 1039, 1249, 1459, 1669, 1879, 2089, 60858179, 60860489, 60862799, 60865109, 60867419, 60869729, 60872039, 60874349, 60876659, 60878969, 60881279

Offset: 1

Author

N. J. A. Sloane, Oct 17 2007

Keywords

• nonn
• tabl

Comments

The first 10 rows (i.e., 55 terms) are the same as for A133277 (where the final term is minimal), but here a(56) = T(11,1) = 608581797 while A133277(11,1) = 110437. - M. F. Hasler, Jan 02 2020

Examples

			Triangle begins:
    2
    2   3
    3   5   7
    5  11  17  23
    5  11  17  23   29
    7  37  67  97  127  157
    7 157 307 457  607  757  907
  199 409 619 829 1039 1249 1459 1669
  199 409 619 829 1039 1249 1459 1669 1879
  199 409 619 829 1039 1249 1459 1669 1879 2089
  ...
Row 10 is the same as in A086786, A113470, A133277, and listed as A033168. - _M. F. Hasler_, Jan 02 2020
		

Links

• OEIS wiki, Primes in arithmetic progression.
• Index entries for sequences related to primes in arithmetic progressions

Crossrefs

For common differences see A033188, for initial terms see A033189.

Different from A133277 (from T(11,1) = a(56) on).

Cf. A086786, A113470, A033168.

Programs

Maple

AP:=proc(i,d,l) [seq(i + (j-1)*d, j=1..l )]; end;