149171

Appears in sequences

• Centered icosahedral (or cuboctahedral) numbers, also crystal ball sequence for f.c.c. lattice.at n=35A005902
• Strong pseudoprimes to base 7.at n=25A020233
• Quasi-Carmichael numbers to base -4: squarefree composites n such that prime p|n ==> p+4|n+4.at n=2A029564