OFFSET
1,1
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..1325
FORMULA
Empirical: column k is n*k^2 - A225255(k) for large n (n>2 suffices through k=1000).
EXAMPLE
Table starts:
..2..4..7..10..15..19..26..31..37..43...54...60...73...81...90...98..115..124
..3..8.16..27..42..59..81.105.134.167..203..241..285..331..381..436..495..556
..4.12.25..43..67..95.130.169.215.267..324..385..454..527..606..692..784..880
..5.16.34..59..92.131.179.233.296.367..445..529..623..723..831..948.1073.1204
..6.20.43..75.117.167.228.297.377.467..566..673..792..919.1056.1204.1362.1528
..7.24.52..91.142.203.277.361.458.567..687..817..961.1115.1281.1460.1651.1852
..8.28.61.107.167.239.326.425.539.667..808..961.1130.1311.1506.1716.1940.2176
..9.32.70.123.192.275.375.489.620.767..929.1105.1299.1507.1731.1972.2229.2500
.10.36.79.139.217.311.424.553.701.867.1050.1249.1468.1703.1956.2228.2518.2824
.11.40.88.155.242.347.473.617.782.967.1171.1393.1637.1899.2181.2484.2807.3148
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, May 04 2013
STATUS
approved