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”).

A013084
exp(arcsinh(x)+arcsin(x))=1+2*x+4/2!*x^2+8/3!*x^3+16/4!*x^4+50/5!*x^5...
0
1, 2, 4, 8, 16, 50, 280, 1640, 8320, 58850, 628000, 6283400, 51414400, 567708050, 8930646400, 126381905000, 1426497280000, 21409252621250, 444950339392000, 8140276707797000, 117131784689920000
OFFSET
0,2
CROSSREFS
Sequence in context: A129335 A264635 A046237 * A263535 A018681 A367172
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved