Row 2 of rectangular table A124540; equals the self-convolution of A124532 (row 2 of table A124530).
A124542
Row 2 of rectangular table A124540; equals the self-convolution of A124532 (row 2 of table A124530).
Terms
- a(0) =1a(1) =2a(2) =7a(3) =26a(4) =107a(5) =486a(6) =2398a(7) =12668a(8) =70863a(9) =416304a(10) =2552490a(11) =16254406a(12) =107095090a(13) =727834866a(14) =5089682472a(15) =36548625188a(16) =269065010063
External references
- oeis: A124542