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 A067545 Determinant of an n X n matrix whose diagonal are the first n composite numbers and all other elements are 1's. 0
 4, 23, 176, 1513, 14457, 166587, 2248791, 32564154, 503597430, 8788183110, 170834934690, 3490028350200, 74757188482200, 1750213790778600, 42713495459510400, 1084838134027536000, 28630810173210336000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..17. EXAMPLE The determinant begins: 4 1 1 1 1 1 1 ... 1 6 1 1 1 1 1 ... 1 1 8 1 1 1 1 ... 1 1 1 9 1 1 1 ... 1 1 1 1 10 1 1 ... 1 1 1 1 1 12 1 ... MATHEMATICA Composite[ n_Integer ] := FixedPoint[ n + PrimePi[ # ] + 1 &, n + PrimePi[ n ] + 1 ]; Table[ Det[ DiagonalMatrix[ Table[ Composite[ i ] - 1, {i, 1, n} ] ] + 1 ], {n, 1, 20} ] CROSSREFS Sequence in context: A141763 A025550 A350669 * A004041 A220353 A089465 Adjacent sequences: A067542 A067543 A067544 * A067546 A067547 A067548 KEYWORD nonn AUTHOR Robert G. Wilson v, Jan 28 2002 STATUS approved

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Last modified June 9 21:49 EDT 2023. Contains 363183 sequences. (Running on oeis4.)