A350978 Appears to be an erroneous version of A050795.

3, 9, 19, 31, 33, 35, 51, 73, 81, 99, 105, 129, 145, 147, 161, 163, 179, 195, 201, 233, 243, 273, 289, 291, 297, 339, 361, 387, 393, 451, 465, 467, 483, 489

Offset: 1

Author

N. J. A. Sloane, Mar 06 2022

Keywords

• dead

Links

• E.-B. Escott, Query 2521, L'Intermédiaire des Mathématiciens, 10 (1903), 285.

Extensions

Thanks to Chai Wah Wu for pointing out that something was wrong, and to David Applegate and Allan C. Wechsler for identifying the correct version of this sequence.