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User:Michael Johnston

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2132 Bunker lane Evansville, IN 47725

Certified Quality Technical Supervision BA in Business Management Member MENSA 1988 score 132

1, 5, 13, 25, 41, 61, 85, 113... What's the next number in this sequence? Answer 145 Centered square numbers: 2n(n+1)+1. Sums of two consecutive squares. Also, consider all Pythagorean triples (X, Y, Z=Y+1) ordered by increasing Z; then sequence gives Z values.