A217514 Partial sums of nonzero terms in A005927.

4, 10, 22, 30, 42, 66, 82, 106, 136, 148, 172, 196, 220, 256, 268, 316, 344, 368, 404, 452, 476, 512, 542, 578, 610, 634, 706, 730, 790, 838, 874, 922, 950, 974, 1022, 1034, 1130, 1190, 1214, 1274, 1346, 1370, 1418, 1472, 1520, 1568, 1604, 1676, 1724, 1784

Offset

0,1

Comments

Sizes of clusters of atoms in diamond structure.

References

N. J. A. Sloane, Theta-Series and Magic Numbers for Diamond and Certain Ionic Crystal Structures, J. Math. Phys., 28 (1987), pp. 1653-1657.

Links

Table of n, a(n) for n=0..49.

Prog

(PARI) lista(m) = {s = 0; for (n=0, m, v = A005927(n); if (v != 0, s += v; print1(s, ", "); ); ); } \\ Michel Marcus, Feb 17 2013

Crossrefs

Cf. A005925-A005927, A217512-A217514.

Sequence in context: A054211 A112770 A338910 * A235142 A250398 A112774

Adjacent sequences: A217511 A217512 A217513 * A217515 A217516 A217517

Keyword

nonn

Author

N. J. A. Sloane, Oct 05 2012

Extensions

More terms from Michel Marcus, Feb 17 2013

Status

approved