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Search: id:A130617
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| A130617 |
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Triangular sequence produced from symmetrical power of two matrices of the general type: M={{1, 3, 7, 31}, {3, 1, 3, 7}, {7, 3, 1, 3}, {31, 7, 3, 1}} with symmetrical primes of the type 2^n-1 A000668 instead of the 2^n of A129964. |
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| 1, 1, -1, -8, -2, 1, 60, 64, 3, -1, 1232, -688, -1080, -4, 1, 10192, -51184, 10584, 18224, 5, -1, -72056802048, 40202473760, 63561929808, 248790864, -67127848, -6, 1, 198067197911198400, 218306304849340800, 9424712384162832, -2565349679326160, -72928609100, 17313844512, 7, -1
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