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A003985 Triangle with subscripts (1,1),(2,1),(1,2),(3,1),(2,2),(1,3), etc. in which entry (i,j) is i AND j. 3
1, 0, 0, 1, 2, 1, 0, 2, 2, 0, 1, 0, 3, 0, 1, 0, 0, 0, 0, 0, 0, 1, 2, 1, 4, 1, 2, 1, 0, 2, 2, 4, 4, 2, 2, 0, 1, 0, 3, 4, 5, 4, 3, 0, 1, 0, 0, 0, 4, 4, 4, 4, 0, 0, 0, 1, 2, 1, 0, 5, 6, 5, 0, 1, 2, 1, 0, 2, 2, 0, 0, 6, 6, 0, 0, 2, 2, 0, 1, 0, 3, 0, 1, 0, 7, 0, 1, 0, 3, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..105.

CROSSREFS

Antidiagonal sums are in A006581.

Sequence in context: A000925 A258279 A258292 * A157237 A065676 A146973

Adjacent sequences:  A003982 A003983 A003984 * A003986 A003987 A003988

KEYWORD

tabl,nonn,easy

AUTHOR

Marc LeBrun

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Sep 21 2000

STATUS

approved

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Last modified December 8 15:08 EST 2016. Contains 278945 sequences.