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Could this be the same as A002143?
A. Pacetti and F. Rodriguez Villegas, Computing weight two modular forms of level p^2, Math. Comp. 74 (2004), 1545-1557. See Table 1.
Table of n, a(n) for n=1..13.
Sequence in context: A193740 A111408 A092674 * A002143 A039739 A160496
Adjacent sequences: A111942 A111943 A111944 * A111946 A111947 A111948
N. J. A. Sloane, Nov 29 2006