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A120722 Absolute difference between A109441 and A100948. 1
0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 24, 75, 192, 305, 657, 1616, 2454, 4962, 13360, 20069, 40221, 120860, 181335, 362760, 1209464, 1814257, 3628656, 13305447, 19958232, 39916629, 159667010, 239500605, 479001404, 2075673390, 3113510176 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..36.

FORMULA

a(n) =Abs[A100948(n)-Cartan_Dim(n)]

MATHEMATICA

(* Cartan dimensional sequence: A109441*) a = Union[Flatten[Table[{(n + 1)^2 - 1, (2*n + 1)*(2*n + 1 - 1)/2, (2*n)^2, (2*n)*(2*n - 1)/2}, {n, 0, 15}]]]; (* A100948 TAS sequence*) b = Flatten[Table[{If[n < 3, 1, n!/3], If[n < 2, 1, n!/2], n!}, {n, 1, Length[a]}]]; (* output difference*) aout = Union[Table[Abs[b[[n]] - a[[n]]], {n, 1, Length[a]}]]

CROSSREFS

Cf. A100948.

Sequence in context: A086049 A328208 A173643 * A090811 A162002 A182764

Adjacent sequences:  A120719 A120720 A120721 * A120723 A120724 A120725

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Jun 23 2007

STATUS

approved

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Last modified October 24 08:56 EDT 2021. Contains 348220 sequences. (Running on oeis4.)