A108840 First step in Recamán's sequence A005132 at which there are n consecutive subtraction steps in a row.

4, 22, 109, 1360, 24404, 17695283, 6824557148

Offset: 1

Author

Sergio Pimentel, Jul 25 2005

Keywords

• nonn
• more

Examples

			E.g., 109 is the third term of this sequence because it the first step in Recamán's sequence at which there are three consecutive subtraction steps in a row:
109. 370 - 109 = 261
110. 261 - 110 = 151
111. 151 - 111 = 40
		

Links

• Eric Weisstein. Recamán's Sequence.

Crossrefs

Cf. A005132, A064288.

Extensions

a(6)-a(7) from Jud McCranie, Jan 24 2020