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A000630 Number of ways to represent n using the binary operator a * b = 2^a + b. +0
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1, 1, 2, 3, 7, 12, 23, 41, 81, 149, 282, 522, 987, 1843, 3463, 6473, 12160, 22773, 42719, 80025, 150074, 281258, 527320, 988334, 1852849, 3473061, 6510681, 12204139, 22877649, 42884585, 80389797, 150692973, 282481747, 529522496, 992614937 (list; graph; listen)
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Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

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