A050722 Palindromic triangular numbers arising from A050721 and A083571.

3, 6, 66, 5995, 15051, 15199896744769899151

Offset

1,1

Links

Table of n, a(n) for n=1..6.

P. De Geest, Subsets of palindromic triangulars

Crossrefs

Cf. A008509, A008510, A050721.

Sequence in context: A306451 A068665 A229236 * A069502 A296374 A362822

Adjacent sequences: A050719 A050720 A050721 * A050723 A050724 A050725

Keyword

nonn,base,hard

Author

Patrick De Geest, Sep 15 1999

Status

approved