An interspersion array given by 1 | 2 | 3 | 5 | 8 | 13 | 21 | 34 | 55 | ... 4 | 6 | 10 | 16 | 26 | 42 | 68 | 110 | 178 | ... 7 | 11 | 18 | 29 | 47 | 76 | 123 | 199 | 322 | ... 9 | 15 | 24 | 39 | 63 | 102 | 165 | 267 | 432 | ... 12 | 19 | 31 | 50 | 81 | 131 | 212 | 343 | 555 | ... 14 | 23 | 37 | 60 | 97 | 157 | 254 | 411 | 665 | ... 17 | 28 | 45 | 73 | 118 | 191 | 309 | 500 | 809 | ... 20 | 32 | 52 | 84 | 136 | 220 | 356 | 576 | 932 | ... 22 | 36 | 58 | 94 | 152 | 246 | 398 | 644 | 1042 | ... ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋮ | ⋱ the first row of which is the Fibonacci numbers.