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A047885 Array a(m,n) = pi(m+n)-pi(m)-pi(n) read by antidiagonals, where pi() = A000720 (m,n >= 0). 5
0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, -1, 0, -1, 0, 0, 0, 0, 0, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, -1, -2, -1, -2, -1, -2, -1, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,59

COMMENTS

A212210-A212213 are the preferred versions of this array.

LINKS

Table of n, a(n) for n=0..65.

EXAMPLE

Beginning of array is

0 0 0 0 0 0 0 0 ...

0 1 1 0 1 0 1 0 ...

0 1 0 0 0 0 -1 ...

0 0 0 -1 0 -1 -1 ...

CROSSREFS

Cf. A047886, A212210-A212213, A000720.

Sequence in context: A230583 A197366 A245715 * A072731 A221169 A212212

Adjacent sequences:  A047882 A047883 A047884 * A047886 A047887 A047888

KEYWORD

sign,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 15 17:12 EDT 2018. Contains 316237 sequences. (Running on oeis4.)