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A024254
Expansion of sin(sin(x)^2)/2.
0
0, 1, -4, -44, 3296, -125744, 2079296, 275799616, -47379887104, 4774911867136, -253451637781504, -33811598641040384, 15217039844307869696, -3403238497314405330944, 497468943189707788599296
OFFSET
0,3
MATHEMATICA
Sin[ Sin[ x ]^2 ]/2 (* Even Part *)
CROSSREFS
Cf. A009486.
Sequence in context: A243221 A238816 A327196 * A167781 A173327 A075029
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs Mar 1997
STATUS
approved