A254435 Squares in A254296

1, 9, 81, 729, 1296, 23532201

Offset

1,2

Comments

They seem to be in the ((3^(n-1) + 1)/2)-th to ((3^(n-1)-1)/2 + 3^(n-2))-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 n-kilogram Stone into Minimum Number of Weights to Weigh All Integral Weights from 1 to n kg(s) on a Two-pan 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