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The first three tribonacci numbers are 1, 1, and 2. The fourth is 4, which is the sum of the first three. Each successive tribonacci number is the sum of the previous three tribonacci numbers. The tribonacci numbers are 1, 1, 2, 4, 7, 13, 24, 44, 81, 149, 274, 504, 927, 1705, 3136, 5768, 10609, 19513, 35890 and so on. tribonacci(0) → 1 tribonacci(1) → 1 tribonacci(2) → 2 ...Save, Compile, Run (ctrl-enter) |
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