A search for the decays of the meson to i3" class="mathmlsrc">i3.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=1ff79930a6eb28c2130b3dbaa5b4ce0f">i3.gif"> is performed for the first time using a data sample corresponding to an integrated luminosity of 3.0 fb−1 collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and 8 TeV. No signal is found and an upper limit, at 95% confidence level, is set, in the kinematic region 367ae5ef63c1d10a35c481e9">, i37" class="mathmlsrc">i37.gif&_user=111111111&_pii=S0370269316302295&_rdoc=1&_issn=03702693&md5=ec94720c55b5d17509d6bd833f2a199c" title="Click to view the MathML source">pT(B)<20 GeV/c and 2.0<y(B)<4.5, where B is the branching fraction and fc (fu) is the fragmentation fraction of the b quark into a Bc+ (B+) meson.