A127326 - OEIS

A127326

Hypertetrahedron with T(W,X,Y,Z) = X - Y.

0, 0, 1, 0, 0, 0, 1, 0, 0, 2, 1, 1, 0, 0, 0, 0, 1, 0, 0, 2, 1, 1, 0, 0, 0, 3, 2, 2, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 2, 1, 1, 0, 0, 0, 3, 2, 2, 1, 1, 1, 0, 0, 0, 0, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 2, 1, 1, 0, 0, 0, 3, 2, 2, 1, 1, 1, 0, 0, 0, 0, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0

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OFFSET

0,10

COMMENTS

Together with A127324, A127325 and A127327 might enable reading "by antidiagonals" of hypercube arrays as 4-dimensional analog of A056558, A056560 and A056559 with cubical arrays.

LINKS

Table of n, a(n) for n=0..104.

FORMULA

a(n) = A127322(n) - A127323(n).

EXAMPLE

a(23)=0 because A127322(23) - A127323(23) = 0.

See A127327 for a table of A127324, A127325, A127326, A127327.

CROSSREFS

Cf. A127322, A127323, A127324, A127325, A127327.

Cf. A056558, A056560, A056559.

Sequence in context: A025926 A027355 A175134 * A321923 A064663 A025923

Adjacent sequences: A127323 A127324 A127325 * A127327 A127328 A127329

KEYWORD

nonn

AUTHOR

Graeme McRae, Jan 10 2007

STATUS

approved