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A070323 Let M_n be the n X n matrix m(i,j)=min(prime(i), prime(j)); then a(n)=det(M_n). 0
2, 2, 4, 8, 32, 64, 256, 512, 2048, 12288, 24576, 147456, 589824, 1179648, 4718592, 28311552, 169869312, 339738624, 2038431744, 8153726976, 16307453952, 97844723712, 391378894848, 2348273369088, 18786186952704, 75144747810816 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

If A_n is the n X n matrix a(i,j)=Max(prime(i), prime(j)) then det(A_n)/det(M_n)=prime(n)/2

LINKS

Table of n, a(n) for n=1..26.

FORMULA

a(1)=2; for n>1, a(n)=2/prime(n)*A037169(n)

CROSSREFS

Sequence in context: A096096 A300759 A100799 * A109213 A109214 A000301

Adjacent sequences:  A070320 A070321 A070322 * A070324 A070325 A070326

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, May 11 2002

STATUS

approved

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Last modified May 27 21:52 EDT 2020. Contains 334671 sequences. (Running on oeis4.)