id:A003878 - OEIS Search Results

Search: id:A003878

Displaying 1-1 of 1 results found.

page 1

Number of stacks of n pikelets, distance 4 flips from a well-ordered stack.

+0
2

1, 3, 48, 199, 543, 1191, 2278, 3963, 6429, 9883, 14556, 20703, 28603, 38559, 50898, 65971, 84153, 105843, 131464, 161463, 196311, 236503, 282558, 335019, 394453, 461451, 536628, 620623, 714099, 817743 (list; graph; listen)

	OFFSET	`3,2`
	REFERENCES	`Marc Paulhus (paulhus(AT)wanadoo.nl), Pikelets, Discrete Math, to be submitted.`
	FORMULA	`n^4+9/2n^3+n^2-9/2n+1.`
	CROSSREFS	`Sequence in context: A137611 A088718 A016548 this_sequence A073982 A081540 A024042` `Adjacent sequences: A003875 A003876 A003877 this_sequence A003879 A003880 A003881`
	KEYWORD	`nonn`
	AUTHOR	`njas`

page 1

Search completed in 0.002 seconds

Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research