A159900 Concatenation of the first n elements of A008578.

1, 12, 123, 1235, 12357, 1235711, 123571113, 12357111317, 1235711131719, 123571113171923, 12357111317192329, 1235711131719232931, 123571113171923293137, 12357111317192329313741

Offset: 1

Author

Jaroslav Krizek, Apr 25 2009

Keywords

• nonn
• base
• less

Crossrefs

Cf. A158611.

Formula

Prepend 1 to the terms of A019518(n) - R. J. Mathar, Apr 28 2009.

Extensions

Slightly edited by R. J. Mathar, Apr 28 2009

Correction for change of offset in A158611 and A008578 in Aug 2009 Jaroslav Krizek, Jan 27 2010