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A032313 "EGJ" (unordered, element, labeled) transform of 2,1,1,1... 1
1, 2, 3, 7, 21, 41, 178, 743, 1893, 7141, 40686, 242045, 734858, 3426541, 16135967, 125737204, 1002664205, 3666743533, 19447711462, 106460517281, 670516591350, 6612951841507, 70889373855917, 294866473433284, 1838126653955566, 10943388725636241, 76804122461785213 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
C. G. Bower, Transforms (2)
FORMULA
E.g.f: (1 + x)*Product_{k > 0} (1 + x^k/k!). - Andrew Howroyd, Sep 11 2018
PROG
(PARI) seq(n)={Vec(serlaplace((1 + x)*prod(k=1, n, (1 + x^k/k! + O(x*x^n)))))} \\ Andrew Howroyd, Sep 11 2018
CROSSREFS
Sequence in context: A011968 A080021 A306666 * A032223 A002863 A047693
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(0)=1 prepended and terms a(23) and beyond from Andrew Howroyd, Sep 11 2018
STATUS
approved

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Last modified February 21 08:45 EST 2024. Contains 370228 sequences. (Running on oeis4.)