A288502 Strings of digits from 1...9 such that any possible formula using the single digits in the given order that evaluates to 0 needs to include at least one division.

263, 284, 362, 393, 482, 1262, 1284, 1293, 1382, 1393, 1482, 1493, 1631, 1823, 1841, 1932, 1934, 2162, 2173, 2184, 2193, 2194, 2195, 2346, 2375, 2593, 2597, 2612, 2621, 2625, 2638, 2658, 2674, 2713, 2735, 2813, 2814, 2831, 2841, 2843, 2845, 2847, 2849, 2859, 2895, 2914

Offset: 1

Author

Hugo Pfoertner, Jun 10 2017

Keywords

• nonn
• base
• fini
• full

Comments

For definitions see A288350.

Examples

			1262 is in the sequence, because no formula with result 0 avoiding divisions can be found, but 0=1+2-(6/2). A file with examples of formulas for all sequence terms is provided, see link section.
		

Links

• Hugo Pfoertner, Table of n, a(n) for n = 1..1009
• Hugo Pfoertner, Formulas with result 0 for all sequence terms.

Crossrefs

Cf. A288350, A288352.