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A014816
a(n) = Sum_{k=1..n} ceiling(k^4/n).
0
1, 9, 34, 90, 199, 382, 672, 1100, 1707, 2539, 3640, 5066, 6875, 9128, 11898, 15248, 19265, 24027, 29624, 36144, 43685, 52348, 62242, 73472, 86157, 100423, 116382, 134184, 153943, 175818, 199938, 226456, 255533, 287321, 321992, 359702, 400635, 444964, 492880
OFFSET
1,2
REFERENCES
M. Eichler and D. Zagier, The Theory of Jacobi Forms, Birkhauser, 1985, p. 103.
MAPLE
f := m-> add( ceil(nu^4/m), nu=0..m): seq(f(m), m=1..40);
CROSSREFS
Sequence in context: A279128 A293038 A326278 * A147691 A000441 A067989
KEYWORD
nonn
AUTHOR
EXTENSIONS
Title improved by Sean A. Irvine, Nov 21 2018
STATUS
approved