> The sequence for fmin starts > > 1 4 11 21 37 58 87 123 169 224 291 369 461 566 687 823 977 1148 1339 > 1549 1781 2034 2311 2611 2937 3288 3667 4073 4509 4974 5471 5999 6561 > 7156 7787 8453 9157 9898 10679 11499 12361 13264 14211 15201 16237 17318 Funny, that's A026035 - 1. ralf