A159413 Number of n X n arrays of squares of integers summing to 24.

12, 12063, 7765764, 6536409700, 5243362878432, 3511410666988854, 1749106498907818008, 591122757828013368966, 127484853824645030359800, 17325541031638760040773994, 1530725614955865510282179508, 92478673642849857594201035793, 4023505640322318857432535697524

Offset

2,1

Comments

All such sequences have holonomic recurrences (cf. comment in A159359). - Georg Fischer, Feb 17 2022

Links

R. H. Hardin, Table of n, a(n) for n = 2..100

Vaclav Kotesovec, G.f. for A159413

Index entries for linear recurrences with constant coefficients, signature (49, -1176, 18424, -211876, 1906884, -13983816, 85900584, -450978066, 2054455634, -8217822536, 29135916264, -92263734836, 262596783764, -675248872536, 1575580702584, -3348108992991, 6499270398159, -11554258485616, 18851684897584, -28277527346376, 39049918716424, -49699896548176, 58343356817424, -63205303218876, 63205303218876, -58343356817424, 49699896548176, -39049918716424, 28277527346376, -18851684897584, 11554258485616, -6499270398159, 3348108992991, -1575580702584, 675248872536, -262596783764, 92263734836, -29135916264, 8217822536, -2054455634, 450978066, -85900584, 13983816, -1906884, 211876, -18424, 1176, -49, 1).

Formula

G.f.: see link above. - Vaclav Kotesovec, Dec 04 2012

Crossrefs

Sequence in context: A159411 A074983 A381090 * A317958 A012608 A012735

Adjacent sequences: A159410 A159411 A159412 * A159414 A159415 A159416

Keyword

nonn

Author

R. H. Hardin, Apr 11 2009

Status

approved