A215909 The number of distinct possible dimensions of unital *-subalgebras of the n X n complex matrices.

1, 3, 5, 9, 13, 18, 25, 34, 42, 54, 66, 78, 94, 110, 126, 147, 168, 189, 214, 239, 267, 294, 326, 357, 390, 426, 462, 503, 542, 584, 628, 671, 717, 766, 819, 869, 924, 979, 1035, 1093, 1154, 1214, 1280, 1345, 1413, 1482, 1553, 1625, 1699, 1774, 1850, 1930

Offset

1,2

Comments

Also the number of terms in the n-th row of A215905.

A006171 is an upper bound of this sequence.

Links

Table of n, a(n) for n=1..52.

Crossrefs

Cf. A215905.

Sequence in context: A350660 A071404 A074133 * A078735 A212530 A004132

Adjacent sequences: A215906 A215907 A215908 * A215910 A215911 A215912

Keyword

nonn

Author

Nathaniel Johnston, Aug 26 2012

Status

approved