13986014

Appears in sequences

• Numbers k which when sandwiched between two 2's give a multiple of k.at n=18A116437
• Numbers k which when sandwiched between two 4's give a multiple of k.at n=25A116439
• Numbers k which when sandwiched between two 6's give a multiple of k.at n=33A116441
• Numbers k which when sandwiched between two 8's give a multiple of k.at n=30A116443