12,25,38,.....18, 233, 477, 23, 76, 90, 539, a=14 , d=9 n=11, 102, 45, 468, 64, 87, 104, a1=5 , d=-8, 56, 5, 98, 8, 34, 10, a5=19, d=6, 6n-54, 43, 6n-11, 76, 5n-10, 357, a1=2 , d=2, 3n, 56n, 35n, 6n, 658, 2n.

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