A028378 Concatenate rows of triangle in A028364 (removing duplicates).

0, 1, 2, 3, 5, 7, 9, 14, 19, 23, 28, 42, 56, 66, 76, 90, 132, 174, 202, 227, 255, 297, 429, 561, 645, 715, 785, 869, 1001, 1430, 1859, 2123, 2333, 2529, 2739, 3003, 3432, 4862, 6292, 7150, 7810, 8398, 8986, 9646, 10504, 11934, 16796, 21658

Offset: 0

Author

Wouter Meeussen

Keywords

• nonn
• easy

Comments

a(n+1) is the number of subpartitions of the smallest partition of n into distinct parts (minimizing the size of the largest part). The sequence of partitions is [], [1], [2], [2,1], [3,1], [3,2], [3,2,1], [4,2,1], .... - Franklin T. Adams-Watters, Apr 11 2006

Crossrefs

Cf. A028364, A028376.

Cf. A115728, A115729.