A122468 Multiply the first 2 digits and then add and multiply alternately the next digits.
763592, 468, 32, 6
Offset: 1
Examples
7 x 6 + 3 x 5 + 9 x 2 = 468; 4 x 6 + 8 = 32; 3 x 2 = 6
References
- K. Russell and P. Carter, Number Puzzles, W. Foulsham and Co. Ltd. (1993).
Crossrefs
Cf. A000216.
Comments