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A329778 Number of symmetric subsets of {1,..,2n} for which the reciprocal of the modular-part product is also a modular-part product. 1
4, 8, 16, 30, 56, 112, 232, 474, 928, 1744, 3976, 6540, 16136, 29680, 54208 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

Blecksmith, Richard, John Brillhart, and Irving Gerst. "On the 𝑚𝑜𝑑 2 reciprocation of infinite modular-part products and the parity of certain partition functions." Mathematics of Computation 54.189 (1990): 345-376. The sequence appears in Table 3.

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A329777.

Sequence in context: A301144 A298803 A320947 * A053163 A125626 A141031

Adjacent sequences:  A329775 A329776 A329777 * A329779 A329780 A329781

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 29 2019

STATUS

approved

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Last modified April 7 01:11 EDT 2020. Contains 333291 sequences. (Running on oeis4.)