A357445 Denominators of certain densities associated with partitions into squares.

1, 2, 36, 144, 2, 600, 504, 28224, 635040, 529200

Offset

1,2

Comments

See Gajdzica (2021, 2022) for precise definition.

Links

Table of n, a(n) for n=1..10.

Krystian Gajdzica, A note on the restricted partition function p_A(n, k), arXiv:2104.04341 [math.NT], April 2021; Discrete Math., 345 (2022), #112943. See Table 1.

Example

1, 1/2, 13/36, 37/144, 1/2, 299/600, 253/504, 14113/28224, 317311/635040, 264659/529200, ...

Crossrefs

Cf. A357444.

Sequence in context: A134785 A143745 A199944 * A227927 A007757 A141217

Adjacent sequences: A357442 A357443 A357444 * A357446 A357447 A357448

Keyword

nonn,frac,more

Author

N. J. A. Sloane, Nov 07 2022

Extensions

Tables 2 and 3 contain several similar sequences of rationals that could be added to the OEIS.

Status

approved