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A225674
Triangular numbers of the form p*w, where p is a prime number and w is a prime power (A025475).
1
3, 28, 45, 136, 153, 171, 325, 351, 496, 1431, 3321, 4753, 7381, 8128, 13203, 29161, 31375, 32896, 56953, 65341, 118341, 166753, 195625, 354061, 780625, 1063611, 2390391, 2883601, 3544453, 5649841, 6060421, 6835753, 6924781, 9563751, 11527201, 12708361, 19478161, 24231241
OFFSET
1,1
CROSSREFS
KEYWORD
nonn
AUTHOR
Alex Ratushnyak, May 12 2013
STATUS
approved