login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A012408
exp(arctan(x)*exp(x))=1+x+3/2!*x^2+8/3!*x^3+25/4!*x^4+100/5!*x^5...
0
1, 1, 3, 8, 25, 100, 465, 2186, 10273, 58568, 428193, 2778382, 11360177, 71102044, 1639157169, 15866637762, -85280723135, -1590866608240, 41214840121921, 683822331420054, -11338214469525167
OFFSET
0,3
CROSSREFS
Sequence in context: A024430 A357591 A182927 * A184325 A051403 A004205
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved