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A280406
Odd semiprimes that can be represented as 2p+3q, where p and q are primes, in an increasing number of ways.
0
15, 25, 55, 91, 115, 187, 215, 235, 335, 403, 415, 515, 535, 655, 695, 835, 955, 1115, 1195, 1393, 1405, 1555, 1895, 1963, 2095, 2155, 2335, 2395, 2615, 2815, 2995, 3235, 3295, 3635, 3935, 3985, 4295, 4415, 4435, 4735, 4855, 4915, 5095, 5515, 5815, 6415, 6835, 7135, 7195, 7415, 8035, 8135
OFFSET
1,1
COMMENTS
It is conjectured that all terms of this sequence above 1963 are divisible by 5. Initial search to 1000000.
CROSSREFS
Sequence in context: A299469 A046291 A354959 * A020302 A020202 A020300
KEYWORD
nonn
AUTHOR
Randy L. Ekl, Jan 02 2017
STATUS
approved