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Search: id:A077488
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| A077488 |
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All possible products in increasing order of two distinct members of the unary sequence 1, 11, 111, 1111, 11111, ...given by A000042. |
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| 11, 111, 1111, 1221, 11111, 12221, 111111, 122221, 123321, 1111111, 1222221, 1233321, 11111111, 12222221, 12333321, 12344321, 111111111, 122222221, 123333321, 123444321, 1111111111, 1222222221, 1233333321, 1234444321
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