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 A063711 Table of bits required for product of n- and k-bit nonnegative numbers read by antidiagonals. 1
 0, 0, 0, 0, 1, 0, 0, 2, 2, 0, 0, 3, 4, 3, 0, 0, 4, 5, 5, 4, 0, 0, 5, 6, 6, 6, 5, 0, 0, 6, 7, 7, 7, 7, 6, 0, 0, 7, 8, 8, 8, 8, 8, 7, 0, 0, 8, 9, 9, 9, 9, 9, 9, 8, 0, 0, 9, 10, 10, 10, 10, 10, 10, 10, 9, 0, 0, 10, 11, 11, 11, 11, 11, 11, 11, 11, 10, 0, 0, 11, 12, 12, 12, 12, 12, 12, 12, 12 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,8 COMMENTS Zero is considered to have zero bits. The first entry is a(0,0) which (arbitrarily) is considered to have offset 0. LINKS FORMULA a(n, k) = n*k if min(n, k) <= 1, n+k otherwise. EXAMPLE Table begins 0 0 0 0 0 0 0 ... 0 1 2 3 4 5 6 ... 0 2 4 5 6 7 8 ... 0 3 5 6 7 8 9 ... 0 4 6 7 8 9 10 ... CROSSREFS Cf. A063712. Initial rows are A000004 and A001477. Sequence in context: A108036 A190174 A263139 * A057893 A048720 A067138 Adjacent sequences:  A063708 A063709 A063710 * A063712 A063713 A063714 KEYWORD nonn,easy,tabl AUTHOR Frank Seaton Taylor (ftaylor(AT)cse.ogi.edu), Thu, Aug 09 2001 STATUS approved

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Last modified October 20 15:44 EDT 2018. Contains 316389 sequences. (Running on oeis4.)