

A137627


Semiprimes (p+4) associated with first prime in A137625.


3



6, 33, 177, 713, 1745, 8301, 8301, 19217, 175233, 175233, 33952613, 4377722627, 4377722627, 1242030992177, 1242030992177
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OFFSET

1,1


COMMENTS

Some terms may overlap: e.g., k=9 and k=10 both begin with p=175229 where p+4 = 175233.


LINKS



FORMULA

For each p, the semiprime is p+4.


EXAMPLE

a(2)=33 because if p=29, then p+4 is 33 and semiprime (3*11).


CROSSREFS



KEYWORD

more,nonn


AUTHOR



EXTENSIONS



STATUS

approved



