A333544 Irregular triangle read by rows, formed from the triangle A333543 by dividing the terms in row n by n!.

1, 2, 12, 4, 6784, 4024, 4936, 2704, 1912, 936, 824, 496, 360, 352, 256, 72, 48, 16, 16, 16

Offset

1,2

Comments

Rows 1 through 4 computed by Veit Elser, later confirmed by Tom Karzes.

Row sums are A333540.

See A333543 for further information.

References

N. J. A. Sloane, Cutting Up a Cube, Math Fun Mailing List, Apr 10 2020; with replies from Tom Karzes, Tomas Rokicki, Veit Elser, and others.

Links

Table of n, a(n) for n=1..20.

Example

Triangle begins:
1,
2,
12, 4,
6784, 4024, 4936, 2704, 1912, 936, 824, 496, 360, 352, 256, 72, 48, 16, 16, 16
...

Crossrefs

Cf. A333539, A333540, A333543.

Sequence in context: A038218 A264841 A191249 * A005760 A155892 A286480

Adjacent sequences: A333541 A333542 A333543 * A333545 A333546 A333547

Keyword

nonn,tabf,more

Author

N. J. A. Sloane, Apr 21 2020

Status

approved