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A203642 Number of arrays of n 0..11 integers with new values introduced in order 0..11 but otherwise unconstrained 1
1, 2, 5, 15, 52, 203, 877, 4140, 21147, 115975, 678570, 4213597, 27644436, 190899230, 1382953889, 10479970386, 82859701769, 681942165393, 5829591731684, 51656311613107, 473501669531146, 4480550589850064, 43672799989835155 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 11 of A203647

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 67*a(n-1) -1980*a(n-2) +33990*a(n-3) -375573*a(n-4) +2795331*a(n-5) -14241590*a(n-6) +49412660*a(n-7) -113667576*a(n-8) +163671552*a(n-9) -131172480*a(n-10) +43545600*a(n-11)

CROSSREFS

Sequence in context: A203641 A192127 A287673 * A192867 A203643 A192128

Adjacent sequences:  A203639 A203640 A203641 * A203643 A203644 A203645

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 04 2012

STATUS

approved

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Last modified June 23 08:30 EDT 2021. Contains 345395 sequences. (Running on oeis4.)