




OFFSET

1,2


COMMENTS

They seem to be in the ((3^(n1) + 1)/2)th to ((3^(n1)1)/2 + 3^(n2))th values of A254296, though this is not proved. The terms are the squares of: 1, 3, 9, 27, 36, 4851.


LINKS

Table of n, a(n) for n=1..6.
Md Towhidul Islam & Md Shahidul Islam, Number of Partitions of an nkilogram Stone into Minimum Number of Weights to Weigh All Integral Weights from 1 to n kg(s) on a Twopan Balance, arXiv:1502.07730 [math.CO], 2015.


CROSSREFS

Cf. A254296, A254430, A254431, A254432, A254433, A254436, A254437, A254438, A254439, A254440, A254442.
Sequence in context: A125910 A171283 A174108 * A267790 A268014 A228972
Adjacent sequences: A254432 A254433 A254434 * A254436 A254437 A254438


KEYWORD

nonn,more


AUTHOR

Md. Towhidul Islam, Feb 03 2015


STATUS

approved



