Now is the time of year when we ask all users of the OEIS for their annual support.
Click here to donate
to the OEIS Foundation using PayPal or in other ways.
Table of n, a(n) for n=1..26.
Cf. A000118 = number of ways of writing n as a sum of 4 squares; theta series of lattice Z^4.
Sequence in context: A056196 A044069 A028628 * A140403 A108578 A044450
Adjacent sequences: A128687 A128688 A128689 * A128691 A128692 A128693
Jonathan Vos Post, Mar 21 2007