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A245190
Products of successive blocks of 2^n terms of A245180.
1
1, 3, 336, 80510976, 4632013631072036192256, 9259244309598002961669050091730162686136971834955923456
OFFSET
0,2
EXAMPLE
a(2) = 1*8*3*14 = 336.
CROSSREFS
Cf. A245180.
Sequence in context: A112895 A157585 A045645 * A005335 A318164 A249799
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 21 2014
STATUS
approved