A306952 Lesser member of twin weird numbers: weird numbers n (A006037) such that n+2 is also weird.

512468, 540890, 688028, 1390268, 1565828, 1741388, 2268068, 3525410, 3848108, 4374788, 6481508, 6657068, 7534868, 7885988, 7914410, 8089970, 8838968, 9143330, 9290468, 10021130, 10343828, 10898930, 12654530, 12801668, 12872510, 13152788, 13181210, 14234570

Offset: 1

Author

Amiram Eldar, Mar 17 2019

Keywords

• nonn

Comments

Number of terms below 10^k for k = 6, 7, ... 10: 19, 231, 2111, 22426.

The first occurrences of 2 consecutive pairs of twin weirds are (21607670, 21607672, 21608090, 21608092), (873951608, 873951610, 873951890, 873951892), ...

Examples

			512468 is in the sequence since both 512468 and 512470 are weird numbers.
		

Links

• Amiram Eldar, Table of n, a(n) for n = 1..22426 (terms below 10^10).

Crossrefs

Cf. A006037, A125109, A231086 (supersequence), A231964.