1,1

Values of n see A037050.

2664662 = 121 * (122+123+...+241+242) = 121 * 22022.

Cf. A036659, A037050.

Sequence in context: A052205 A051118 A124368 this_sequence A071066 A137601 A158347

Adjacent sequences: A037048 A037049 A037050 this_sequence A037052 A037053 A037054

nonn,base,hard

Patrick De Geest (pdg(AT)worldofnumbers.com), Jan 04 1999.