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A127120 Column limit of A127119. 1
1, 3, 12, 41, 140, 457, 1485, 4732, 14986, 47025, 146784, 455683, 1409122, 4341456, 13336440, 40858875, 124894889, 380993722, 1160145321, 3527008680, 10707133507, 32461710583, 98300107420, 297348593017, 898559807247, 2712889137261, 8183743165156, 24668014337837 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Number of endofunctions on a set with m+n elements, where the maximum indegree is m, when m > n. Increasing m just adds additional points with empty preimage that map to the unique element with indegree m.

LINKS

Table of n, a(n) for n=0..27.

PROG

(PARI) \\ Needs F from A127119.

seq(n)={my(m=2*n-1); Vecrev(F(m)[m, n..m])} \\ Andrew Howroyd, Feb 21 2020

CROSSREFS

Cf. A001372, A127119, A127122.

Sequence in context: A263102 A038345 A336337 * A325482 A017940 A038342

Adjacent sequences:  A127117 A127118 A127119 * A127121 A127122 A127123

KEYWORD

nonn

AUTHOR

Franklin T. Adams-Watters, Jan 05 2007

EXTENSIONS

Terms a(5) and beyond from Andrew Howroyd, Feb 21 2020

STATUS

approved

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Last modified August 12 05:33 EDT 2020. Contains 336438 sequences. (Running on oeis4.)