A217513 Partial sums of nonzero terms in A005926.

2, 8, 20, 32, 38, 56, 74, 86, 116, 130, 136, 166, 190, 208, 238, 264, 288, 318, 342, 360, 384, 420, 444, 492, 522, 534, 588, 612, 648, 690, 714, 732, 768, 822, 840, 894, 942, 966, 1026, 1050, 1068, 1134, 1190, 1220, 1256, 1280, 1310, 1382, 1418, 1448, 1508

Offset: 0

Author

N. J. A. Sloane, Oct 05 2012

Keywords

• nonn

Comments

Sizes of clusters of atoms in diamond structure.

Links

• Andy Huchala, Table of n, a(n) for n = 0..98
• N. J. A. Sloane, Theta series and magic numbers for diamond and certain ionic crystal structures, J. Math. Phys. 28 (1987), 1653-1657.

Crossrefs

Cf. A005925-A005927, A217512-A217514.

Extensions

More terms from Andy Huchala, May 17 2023